-
What does SVR measure?
After-load of the left side of the heart
-
What are the normal values for monitoring PAP pressures?
15-25/8-15 mmHg
-
How does Angiotensin II impact the cardiovascular system?
Increasing both preload and afterload by vasoconstriction (afterload) and increasing urinary retention (preload)
-
Your patient is experiencing left ventricular diastolic dysfunction. What should therapy be focused on?
Increasing preload; impaired filling of the ventricles equals inadequate filling pressures; increasing preload increases filling pressures
-
Your patient is experiencing right ventricular diastolic dysfunction. What should therapy be focused on?
Increasing force of contraction; ventricle is having a problem pumping forcefully; positive inotropic agents i.e. Dopamine
-
The patient's peripheral A-line is showing a very sharp waveform with readings that appear jagged and exaggerated. This may be due to:
Catheter whip
-
Overdampened waveforms can do what to blood pressure readings?
Underestimate them
-
Your patient's PA waveform has suddenly changed to resemble a low amplitude rolling waveform. This is most likely due to:
An inadvertent advance to wedge
-
When assessing CVP or PAWP pressures on a mechanically ventilated patient, the pressures should be assessed at:
The end of exhalation
-
The dicrotic notch on the PA waveform indicates:
Closure of the pulmonic valve
-
The patient's PA catheter is exhibiting a large, well defined waveform with an obvious "notch" on the left side of the waveform. The distal tip is most likely in the:
Right ventricle
-
A patient in early shock most probably has which acid-base imbalance?
Respiratory alkalosis
-
Treatment of pancreatitis would NOT include...
Morphine for pain- it can increase spasms at sphincter of Oddi
-
The clotting cascade can be triggered through an extrinsic pathway. The triggering mechanism is the release of?
Tissue thromboplastin
-
Your patient presents with the following: CVP 2, CI 6.4, PA S/D 34/16, wedge 7 and SVR 400. What is your diagnosis?
Septic shock
-
What would the blood test BNP evaluate a patient for?
Congestive heart failure
-
What are your primary medications for a patient presenting with a suspected AAA?
Nipride and Beta Blockers
-
The balloon has dislodged when treating your IABP patient. Which is the most common site that will be affected?
Left radial
-
During transport you notice rust colored "flakes" in the IABP tubing. This indicates...
Balloon rupture
-
During transport you experience a complete IABP failure. You should...
Cycle the balloon manually every 30 minutes regardless of timing to prevent formation of clots
-
Acute respiratory failure is defined as:
pO2 <60 mmHg and pCO2 >50 mmHg
-
What measurements are indicators of right-side preload?
- Right atrial pressure (RAP)
- Central venous pressure (CVP)
- Pulmonary vascular resistance (PVR)
-
What measurements are indicators of left-side preload?
- Left atrial pressure (LAP)
- Pulmonary artery "wedge" pressure (PAWP)
- Pulmonary wedge pressure (PWP)
- Pulmonary capillary wedge pressure (PCWP)
- Pulmonary artery occlusive pressure (PAOP)
- Systemic vascular resistance (SVR)
-
What measurements are indicators of pressure in the pulmonary artery?
- Pulmonary artery pressure (PAP)
- Pulmonary artery systolic (PAS)
- Pulmonary artery diastolic (PAD)
-
What measurements are indicators of afterload?
- Cardiac Index (CI)
- Cardiac Output (CO)
- Stroke Volume (SV)
- Left ventricular end-diastolic pressure (LVEDP)
- Left ventricular end-diastolic volume (LVEDV)
-
How do you calculate Cardiac Output?
SV x HR
-
How do you calculate SV?
EDV-ESV
-
How do you calculate ejection fraction?
SV divided by EDV
-
What is normal ejection fraction?
- 55-75%
- Most important predictor of prognosis
-
How do you calculate CPP (coronary perfusion pressure)?
- DBP - PAWP
- Normal value 50-60
- Can substitute PAD if no wedge
-
What is normal wedge?
8-12 mmHg
-
What is normal CVP?
2-6 mmHg
-
What is normal PVR?
100-250
-
What is normal PAS?
15-25 mmHg
-
What is normal PAD?
8-15 mmHg
-
What is normal cardiac index?
2.5 - 4.3 L/min
-
What is normal SVR?
800-1200
-
What types of shock should you consider if your SVR is low (<800)?
Vasodilatory or distributive
-
If your SVR is low and your CI is high, what type of shock do you have?
Septic
-
If your SVR is low and your CI is low, what is the next thing to look for?
- HR
- If tachycardic, you have anaphylactic shock. If normal or low HR, you have neurogenic shock.
-
What types of shock should you consider if your SVR is high (>1200)?
Hypovolemic, Cardiogenic, or RV AMI
-
If your SVR is high and your CVP is <2, what kind of shock do you have?
Hypovolemic
-
If your SVR is high and your CVP is normal or low, what condition do you have?
RV AMI
-
If your SVR is high and your CVP and wedge are high, what kind of shock do you have?
Cardiogenic
-
What is the mechanism of action of ACE inhibitor drugs?
Vasodilation, thus decreasing afterload
-
What is the mechanism of action of Angiotenson II Receptor Blockers (ARBs)?
Decrease systemic afterload, decreasing the workload of the LV
-
What is the most common insertion site for a PAC?
Right internal jugular
-
What does PAC stand for?
Pulmonary artery catheter, aka Swan-Ganz catheter
-
On CXR, where should tip of PAC be seen if placed properly?
2nd or 3rd intercostal space
-
What is the maximum amount of air that can be placed in balloon port (red port) for a wedge?
1.5 cc
-
If you can only monitor one port on a PAC, which port should you monitor?
Distal (PA) Yellow port
-
What does transducer leveling do?
Eliminates the influence of hydrostatic pressure on the transducer
-
When should transducer leveling be performed?
After every change in patient position
-
What axis should transducer leveling be performed at?
Phlebostatic axis, where the nipple line and mid-axillary line meet at approximately fourth intercostal space
-
What can cause catheter whip?
High blood pressures, length of tubing, or movement of the catheter tip
-
What does an overdampened waveform present like on the monitor?
- Slow return to baseline
- Waveform appears "squeezed down" from too much pressure
-
What can cause overdampened waveforms?
- Overly compliant tubing
- Air bubbles
- Clots
- Catheter kinks
- Low flush bag pressure (need minimum 300 cc)
-
What does an underdampened waveform present like on the monitor?
- More than two oscillations after fast flush test
- Exaggerated waveform
-
What can cause underdampened waveforms?
- Non-compliant tubing
- Increased vascular resistance
- High systolic and low diastolic pressures
- Loose connections
- Air in the system
- Altitude changes
-
In a dampened waveform, what should you always do first to try to correct?
Aspirate, do not flush in case of clots
-
What waveform group has a dicrotic notch?
Arterial waveforms
-
What waveform group has a, c, v waves and x and y descent?
Atrial waveforms
-
What unique notch do ventricular waveforms have?
Anacrotic notch that correlates with QRS
-
What measurements do Atrial waveforms read?
- Preload measurements
- CVP/RAP
- PAWP/LAP
-
What measurements do Arterial waveforms read?
-
In an atrial waveform, what does the a-wave indicate?
Atrial contraction (prior to onset of QRS)
-
In an atrial waveform, what does the c-wave indicate?
Ventricular contraction and closure of tricuspid valve (occurs within the QRS)
-
In an atrial waveform, what does the x descent indicate?
Atrial relaXation (occurs after the QRS)
-
In an atrial waveform, what does the v-wave indicate?
PassiVe atrial filling (occurs just after T-wave)
-
In an atrial waveform, what does the y descent indicate?
Atrial emptYing and opening of the tricuspid valve
-
How do you manage an inadvertent wedge position?
- Check balloon, make sure it is deflated
- Have patient cough forcefully
- Change position of patient (elevate head slightly)
- RAPID TRANSPORT - DO NOT PULL CATHETER BACK
-
What does it mean if you have a wedge reading of 15-18?
Ideal wedge in CHF patient
-
What does it mean if you have a wedge reading of 18 or less than 12?
ARDS
-
What does it mean if you have a wedge reading of 20?
Mild pulmonary congestion
-
What does it mean if you have a wedge reading of 25?
Moderate pulmonary congestion
-
What does it mean if you have a wedge reading of 30?
Severe pulmonary congestion
-
What could large v-waves indicate on wedge tracing?
Mitral valve regurgitation
-
What does the dicrotic notch on the PA waveform indicate?
Closure of the pulmonic valve
-
What are some causes of elevated PAP?
- Increased PVR
- Left to right shunts (patent ductus arteriosus)
- Left ventricular failure
- Mitral regurgitation and stenosis
-
What does the dicrotic notch on the A-line waveform indicate?
Closure of the aortic valve
-
What does the highest point of the A-line waveform correlate with?
Systolic pressure; T-wave on EKG
-
What does the lowest point of the A-line waveform correlate with?
Diastolic pressure; end of QRS on EKG
-
What is Cullen's sign and what does it indicate?
- Bruising around umbilicus
- Can indicate pancreatitis, peritoneal or retroperitoneal hemorrhage
-
What is Grey-Turner's sign and what does it indicate?
- Bruising to the flank area
- Can indicate pancreatitis and retroperitoneal hemorrhage
-
What is HalsteAd's sign and what does it indicate?
- Marbled abdomen
- Can indicate necrotic pancreas
-
What is Halsted's sign and what does it indicate?
- Breast discoloration
- Can indicate breast cancer
-
What is the primary treatment for hepatic encephalopathy?
Evacuate any blood present in the gut via OG/NG tube to decrease ammonia levels
-
What is the treatment for esophageal variceal hemorrhage?
Vasopressin and S-Blakemore tube
-
What structure defines lower versus upper GI?
The Ligament of Treitz - suspensory ligament of the duodenum
-
What is Markel's sign and what does it indicate?
- Rebound tenderness on palpation
- Can indicate peritoneal irritation or appendicitis
-
What is Rovsing's sign and what does it indicate?
- Referred pain to RLQ when LLQ is palpated
- Can indicate appendicitis
-
What is Aaron's sign and what does it indicate?
- Referred pain felt in epigastric region upon continuous firm pressure over McBurney's point (iliac to umbilicus, form a v)
- Diagnostic for appendicitis
-
What is Psoas sign and what does it indicate?
- Patient lying on side hyperextension or flexion of hip elicits RLQ pain
- Can indicate appendicitis
-
What is Kehr's sign and what does it indicate?
- Referred shoulder pain while supine
- Spleen injury/rupture (left shoulder)
- Ectopic pregnancy (either shoulder)
-
What is Balance sign and what does it indicate?
- Dullness to percussion of LUQ with a shifting dullness to RUQ, both due to blood
- Can indicate spleen injury or rupture
-
What is Murphy's sign and what does it indicate?
- Pain on inhalation or coughing when RUQ is palpated
- Inflammation of gallbladder; diagnostic of cholecystitis
-
What is Linea Nigra and what does it indicate?
- Darkening "line" of skin from umbilicus to pubic symphysis
- Indicates pregnancy
-
One unit of PRBC's equals approximately ___ mL and increases H/H by ____%.
330 mL and 1/3 or 33%
-
What is the pediatric dose for PRBC's?
10 cc/kg
-
What is the universal blood donor type?
O
-
What is the universal recipient blood type?
AB
-
What is FFP and what is it useful in correcting?
- Fresh Frozen Plasma
- Volume expander or to increase clotting factors
- Corrects Warfarin induced hemorrhage or toxicity, along with Vit K
-
What is cryoprecipitate and what types of conditions is it used for?
- Corrects low fibrinogen levels
- Used in DIC, Hemophilia A and Von Willebrand's disease (Factor VIII)
-
What are the four types of blood transfusion reactions?
- Hemolytic - short onset
- Anaphylactic - 30 min onset, treat with epi
- Febrile - 30-90 min onset
- Circulatory overload - can occur anytime, treat with Lasix
-
What is the problem in Hemophilia A patients?
Cannot form a stable fibrin clot
-
What is the problem in Hemophilia B patients?
- AKA Christmas disease
- Prolonged partial thromboplastin (PT) times
-
What is the problem in Von Willebrand's patients?
Defective platelet adherence; cannot form platelet plugs
-
What is the drug of choice for treatment of vasodilatory shocks?
- Levophed (Norepinephrine)
- Increases vascular tone through alpha-adrenergic receptors
-
What are the 7 P's of Spinal Cord injury?
- Pain
- Position
- Ptosis, Pinpoint pupils
- Parasthesias
- Paralysis
- Priapism
- Poikilothermia
-
What is the problem in a patient with Graves disease?
- Increased levels of thyroid hormones
- Avoid ASA - releases T3 and T4 hormones
- Treatment is steroids (Dexamethasone)
- Can present with tremors, weight loss, AFib, expothalmus, goiter
-
What is the problem in a patient with myxedema coma?
- Hypothyroidism
- Treatment is Levothyroxine
- Can present with coarse hair, fatigue weight gain
-
What is the main problem in a patient with hypoparathyroidism?
Hypocalcemia - PTH regulates calcium levels
-
In a patient with a head injury, you note extreme urinary output with very low specific gravity. What is your initial treatment of this patient?
- Aggressive fluid replacement and vasopressin
- Diabetes Insipidus is often caused by head injury, due to a deficiency of ADH from posterior pituitary gland
- Can result in hypernatremia (possible SZ) and hypokalemia if untreated
-
What is the main problem in SIADH?
- Overproduction of ADH which can be caused by anything that interferes with renal excretion of water
- Can result in dilutional hyponatremia and hypokalemia
- Treatment is to restrict fluids and correct electrolytes - hypertonic 3% NS
-
What is Cushing's Disease?
- Increased levels of cortisol, usually caused by an anterior pituitary tumor
- Presents with moon face, buffalo hump, upper body obesity with thin extremities, hypertension
- Treated with steroids
-
What is Addison's Disease?
- Acute Adrenal Insufficiency - Adrenal glands not producing enough cortisol
- Presents with asthenia, severe fatigue, weight loss, darkening of skin, hypotension
-
What drug is to be used with extreme caution in Addison's disease patients?
Etomidate - refractory hypotension 8-10 hours later
-
What is Conn's Syndrome?
- AKA Hyperaldosteronism
- Usually caused by adrenal tumor known as pheochromocytoma
- Can lead to hypokalemia, hypernatremia, hypertension, alkalosis
- Treated with Spironolactone (works as aldasterone antagonist)
-
What is the treatment for HHNK?
- Aggressive fluids
- Short acting/regular insulin
-
What lab value needs to be closely monitored in DKA patients being treated with insulin?
Potassium - If falls below 3.3, insulin needs to be stopped and K+ administered to correct hypokalemia
-
What EKG finding should force you to automatically consider RVMI?
ST elevation of 1 mm or greater in aVR
-
If a Q wave greater than 25% of the height of the QRS with ST elevation, you should...
Suspect acute infarct
-
If a Q wave is present with ST depression...
It is indeterminate
-
If a Q wave is present with no ST changes...
There is an old infarct
-
If you suspect an inferior infarct, what coronary artery do you expect to be affected?
RCA
-
If you suspect a lateral infarct, what coronary artery do you expect to be affected?
Circumflex
-
If you suspect a septal or anterior infarct, what coronary artery do you expect to be affected?
LAD
-
If you suspect a posterior infarct, what coronary artery(s) do you expect to be affected?
RCA and Circumflex
-
What are three things you should look for if you suspect a Posterior infarct?
- Progressive, tall R waves
- Slight ST elevation in V6
- Reciprocal changes in V1-V3
-
What can U waves indicate on EKG?
Hypokalemia
-
What is a common complaint from patients suffering from digitalis toxicity?
yellow halos
-
In a patient who has undergone a heart transplant, what drug would be useless in treatment of symptomatic bradycardia?
Atropine - Vagus nerve is not re-transplanted with heart
-
What does FAEDE stand for?
- Fluids
- Atropine
- External Pacer
- Dopamine/Dobutrex drip
- Epinephrine drip
-
What drugs are contraindicated in the patient with WPW?
- Adenosine
- Diltiazem
- Digoxin
- Verapamil
- Drug of choice: Amiodarone
-
What is BNP?
- Brain Natriuretic Peptide
- Assists in diagnosis of CHF
- >100 positive, >500 severe
-
What are some hallmarks of pulmonary edema on CXR?
- Fluffy margins
- Kerley B lines
- Pleural effusions
- Cardiomegaly
-
What presentation does ARDS have on CXR?
- Ground glass
- No Kerley B lines
-
What presentation does pericardial effusion have on CXR?
Enlargement of cardiac silhouette with characteristic water bottle appearance
-
What does pericardial effusion present with on 12-lead EKG?
Electrical alternans - increase and decrease in amplitude of R waves
-
If PAWP = PAD, what should you suspect?
Cardiac tamponade
-
What is Dressler's syndrome?
- Secondary form of pericarditis two to three weeks after injury to the heart or pericardium
- Presents with fever, pleuritic pain, and pericardial effusion
-
What are Janeway lesions?
- Raised red lesions seen on fingers, palms, and soles of feet - painless
- Indicate Endocarditis
-
What are Osler's Nodes?
- Painful raised reed lesions seen on fingers, palms, and soles of feet
- Indicate Endocarditis
-
What is the most common cardiac cause of clubbed fingers?
Congenital cyanotic heart disease
-
What is a cause of clubbed fingers aside from congenital heart disease and chronic hypoxia?
Subacute bacterial endocarditis
-
What does an aortic dissection present with on CXR?
- Mediastinal and/or aortic widening
- Left pleural effusion
-
What is Hill's Sign?
- Difference in SBP greater than or equal to 20 mmHg between brachial and popliteal BP
- Indicates acute aortic insufficiency
-
Where does the tear occur in a AAA?
The tunica intima
-
What is Marfan's syndrome?
- A connective tissue disorder characterized by joint laxity, scoliosis, long upper extremities
- Associated with dilation of the ascending aorta
-
What is Turner's syndrome?
- Missing X chromosome (only occurs in females)
- Webbed necks is most identifiable physical characteristic
-
How do we manage an aortic dissection?
- 2 large bore IVs, restrict fluids unless patient is hypotensive
- Nitroprusside to lower BP to 100-110 mmHg systolic
- Beta blockers
- Pain analgesics
- Definitive treatment is surgery
-
What is Virchow's Triad?
- Pain
- Flushed skin
- Swelling
- Indicates DVT
-
What is the treatment for DVT?
- Elevate extremity
- Heat
- Analgesia
- Anticoagulants
-
How much can IABP augment cardiac output?
10-20%
-
When does the IABP balloon inflate?
During diastole, with the closure of the aortic valve
-
What is the main benefit to placing an IABP?
Decrease afterload
-
What does the dicrotic notch on a balloon pump timing strip indicate?
Closure of the aortic valve
-
What is the primary indication for IABP placement?
Cardiogenic shock
-
What is the primary contraindication for IABP placement?
Severe aortic insufficiency
-
When using the ECG to trigger an IAB, what is the synchronization point for balloon inflation?
With the T-wave
-
When using an A-line to trigger an IAB, what is the synchronization point for balloon inflation?
With the dicrotic notch on the A-line waveform
-
Where should the distal tip of the IAB be seen on CXR?
At the level of the 2nd or 3rd intercostal space
-
Where should the proximal end of the IAB be?
Above the renal artery
-
Where should the distal end of the IAB be?
In the descending aorta, just distal to the left subclavian artery
-
If your patient experiences a distal dislodgement (most common) of the IAB, which site will be affected?
Left radial artery
-
If your patient experiences a proximal dislodgement of the IAB, which site will be affected?
- Renal arteries, resulting in decrease in urine output
- Possibly also the femoral arteries
-
Acute respiratory failure is defined as:
pO2 <60 mmHg and pCO2 >50 mmHg with pH <7.25
-
What are some causes of respiratory acidosis?
- Airway obstruction
- CNS depressant medications (hypoventilation)
- Myasthenia gravis
- Guillain-Barre
- COPD
- Pickwickian syndrome
-
What are some causes of respiratory alkalosis?
- Excessive mechanical ventilation
- Fever
- Anxiety
- Pain
- Third trimester pregnancy
- Drugs
- CNS
- Hyperventilation
-
What are some causes of metabolic alkalosis?
- Vomiting, NG suction
- Hypokalemia
- Thiazide or loop diuretics
-
How do you calculate Anion Gap?
- Na - (Cl +HCO3) = AG
- Normal is 12 (+ or - 4)
-
What is the mnemonic for differential diagnoses of metabolic acidosis?
MUDPILERS
-
What does MUDPILERS stand for?
- Methanol
- Uremia
- DKA
- Propolene glycol
- INH/Iron
- Lactic acidosis
- Ethylene glycol
- Renal failure/Rhabdomylosis
- Salicylates/Starvation ketoacidosis
-
What is the normal value for K+?
3.5 to 5.0
-
What is the normal value for Ca?
8.8 - 10.4
-
What is the normal value for Mg?
1.5-2.5
-
What is the normal value for Na?
135-145
-
What is the normal value for glucose?
70-110
-
What is the normal value for BUN?
6-23
-
What is the normal value for Creatinine?
0.6-1.4
-
What does creatinine measure?
Kidney function
-
What is the normal value for CK/CPK?
60-400
-
What does CK/CPK measure?
Muscle enzymes (rhabdo)
-
What is the normal value for ammonia in an adult?
15-45
-
What is the normal value for ammonia in a pediatric?
40-80
-
What is the normal value for BNP?
<100
-
What is the normal value for WBC?
4.5-10.5 (peds slightly higher)
-
What is the normal value for Hgb?
12-18
-
What is the normal value for Hct?
36-52
-
What is the normal value for platelets?
140-400
-
If your pCO2 is <35 mmHg in a ventilated patient, what should you do?
- Decrease tidal volume
- Decrease RR
- Consider sedation/analgesia
-
If your pCO2 is >45 mmHg in a ventilated patient, what should you do?
- Increase ventilation first by increasing tidal volume
- Then increase respiratory rate
-
What is typical tidal volume for an adult patient?
5-8 cc/kg (ideal body weight)
-
What is the oxygen formula?
PSI x cylinder divided by liter flow = time of O2 remaining
-
How does asthma present on CXR?
- SQ air upper lobes
- Hyperinflated lungs
- Elongated heart
- Pneumomediastinal air "leaks"
-
How does emphysema present on CXR?
- Large, hyperinflated lungs
- Low set diaphragm
- Increased AP diameter
- Vertical heart
- Increased retrosternal air
- BLEBS
-
How does Chronic Bronchitis present on CXR?
Bronchovascular structures have irregular contours - only finding
-
Which toxicity presents with a profound anion gap?
Ethylene glycol
-
What is basic treatment of a snakebite?
- Immobilize affected limb below level of heart
- NO ICE
- Obtain fibrinogen levels and CMP
-
What is basic treatment of a spider bite, scorpion sting, or hymenoptera sting?
- Ice, analgesia
- Immobilize affected area
- Watch for anaphylaxis
-
What is the first line treatment for Rocky Mountain Spotted Fever?
Doxycycline (Tetracycline)
-
If your pregnant patient experiences initial "tearing" pain, then has relief from pain, then experiences pain during contractions only, what may she be presenting with?
Uterine rupture
-
If your pregnant patient experiences a "tearing" pain without relief between contractions, what may she be presenting with?
Abruptio Placenta
-
How should you treat a pregnant patient with third trimester bleeding?
- Treat for shock
- Rapid transport
- Aggressive tocolytics if contracting
-
What sign may be present in a patient presenting with uterine rupture?
Kehr's sign - referred shoulder pain
-
What position should a pregnant patient be placed in to avoid supine hypotensive syndrome?
Left lateral recumbent >24 weeks gestation
-
What is Coopernail's sign and what does it indicate?
- Bruising to the genitalia
- Indicates pelvic fracture
-
What is McDonald's rule?
- Estimates weeks gestation by fundal height
- 20-24 weeks the height of the fundus should be at the umbilicus
-
What are some changes that take place in the pregnant female?
- Tidal volume increases by 20%
- Blood volume increases by 30-50%
- Delayed gastric emptying
- Slight respiratory alkalosis
- Hormones soften joints
-
What does LOCK stand for in treating OBGYN patients?
- Left lateral recumbent position
- Oxygen
- Correct or improve contributing factors
- Keep reassessing FHR and intervene when indicated
-
What are the drugs of choice when treating hypertension in pregnant patients?
-
What is DR. C BRAVADO and what is it used for?
- OBGYN patients in the first 20 mins of contact
- DR - determine risks
- C - contractions
- BR - baseline rate
- A - accelerations
- VA - variability
- D - decelerations
- O- overall impression and treatment plan
-
What are some common causes of fetal tachycardia?
- Maternal fever - most common
- Methamphetamine use
- Sympathomimetic use
-
What is the goal DBP in PIH and Pre-Eclampsia?
90-110 mmHg
-
What medication should not be administered to insulin-dependent diabetic mothers?
Terbutaline - transient hyperglycemic response
-
What is HELLP syndrome?
- Hemolysis
- ELevated liver enzymes
- Low Platelet ccount
-
What are three factors that assist in confirming SROM?
- Positive pooling in vaginal vault with speculum exam
- Nitrazine paper
- Positive ferning
-
What is macrosomia?
Large baby for gestational age
-
What is Chadwick's sign?
- Darkening of cervix, vagina, and vulva
- Indicates pregnancy
-
What defines PPH post partum hemorrhage?
- Decrease in/absent uterine tone
- Vaginal bleeding >500 cc/24 hrs
-
What is the treatment of PPH?
- Shock treatment and rapid transport
- Infusion of oxytocics (only after placenta delivered)
- Bimanual compression of uterus maintained for 2-5 mins
-
What are some causes of uterine inversion?
- Inappropriate fundal pressure
- Excessive traction on umbilical cord
- Mass in the vagina
- Uterine atony
-
What is the treatment for uterine inversion?
- Treat for shock and rapid transport
- Manual replacement of the uterus
- Oxytocics should follow replacement of uterus
-
What is the formula for ETT depth in neonates?
6 + weight in kg = cm at the gums
-
What is the most common cause of neonatal seizure?
Hypoglycemia
-
A PDA dependent patient may require the administration of which drug during transport?
- Prostaglandin
- Primary complication is apnea
-
What can cause closure of a PDA?
- High concentrations of oxygen
- Indomethacin (Indacin)
-
What four defects make up the Tetralogy of Fallot?
- Pulmonary stenosis
- Right ventricular hypertrophy
- Over-riding aorta
- Ventricular septal defect
- Surgical repair is called Rastelli
-
What is a TET spell?
- VSD resulting in bluish skin during episodes of crying or feeding
- Peak incidence between 2 to 4 months of life
-
What is a scaphoid abdomen indicative of in a neonate?
- Diaphragmatic hernia
- Requires oral gastric tube and oral intubation
-
What is an omphalocele?
Malformation in which abdominal contents protrude into the base of the umbilical cord
-
What is a gastroschisis?
- Opening in the abdominal wall that allows stomach and intestines to extend outside of the body
- Does not involve the umbilical cord
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What are the risks of an omphalocele or gastroschisis?
- Infection and hypothermia
- Cover the contents and administer antibiotics
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What is Potter's syndrome?
- Renal agenesis (absence of the kidney(s))
- Deformed lower extremities
- Oligohydramnios
- Pulmonary hypoplasia caused by enlarged bladder
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The pediatric patient may be pre-treated with which medication prior to administering Anectine?
- Atropine
- All children under 12 years due to increased vagal response to laryngoscopy
- Given ideally 2-3 mins prior to paralytic
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What is the formula to estimate ET tube size in peds?
16 + age in years / 4
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What is the formula to estimate ET tube depth in peds?
ETT size x 3
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What is the age of pediatric patient on which a needle cric may be performed?
11
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What is the age of pediatric patient on which a nasal intubation may be performed?
12
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What mechanical ventilation adjustments may be needed in a patient presenting with status asthmaticus?
- Large tidal volumes may be required
- Longer expiratory tims required
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What is the drug of choice in pediatric asthma sedation?
- Ketamine
- Has bronchodilatory properties
- Decreases the incidences of mucus plugging in pediatric patints with asthma
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How do we manage status asthmaticus?
- Humidified oxygen
- IV rehydration
- Continuous nebulized beta-2 agents
- Atrovent, corticosteroids, Terbutaline, intubation
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What is steeple sign?
- Narrowing of the airway seen on an A/P chest radiograph
- Laryngotracheobronchitis (croup)
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What is thumb print sign?
- Thumb print seen on lateral neck radiograph
- Epiglottitis
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What is Waddell's sign?
- Injury pattern seen in pediatric pedestrian vs MVC
- Head, abdomen, lower extremities
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What are the most commonly injured internal organs in pediatric trauma?
Spleen and liver
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What does LEMONS stand for?
- Look externally
- Evaluate 3:3:2 rule
- Mallampati
- Obstructions/Obesity
- Neck mobility
- Saturation
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What is the 3:3:2 rule?
- 3 finger mouth opening
- 3 finger chin to hyoid bone
- 2 finger floor of mouth to thyroid cartilage
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What does BOOTS stand for?
- Beards, beware of full stomach
- Obesity/obstructions
- Older patients
- Toothless
- Snores/stiff lungs
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What does CHANGES stand for?
- Change blade, smaller tube
- Help of another provider
- Alternative airway
- Neck alignment/release of C-collar
- Gum-elastic bougie
- External laryngeal manipulation
- Suction
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What is the LOAD mnemonic used for and what does it stand for?
- RSI prepatory steps
- Lidocaine
- Opiates
- Atropine for peds
- Defasiculating dose prior to Sux administration
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What are the 7 P's of RSI?
- Pre-oxygenation
- Preparation
- Position
- Protection and induction
- Paralysis
- Placement
- Proof
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What are the primary and secondary causes of bradycardia?
- Primary is hypoxia
- Secondary is ICP
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What is Hamman's sign?
- Crunching sound heard with chest auscultation, synchronized with heartbeat
- Indicates tracheobronchial injury
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What are the sxs of tracheobronchial injury?
- Hamman's sign
- Persistent hypoxia despite needle decompression
- Increasing SQ air/crepitus
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What is the treatment of tracheobronchial injury?
Intentional right mainstem intubation below level of injury
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What are the most commonly injured areas of the heart in myocardial contusion?
Right ventricle and right atrium
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What are predictable injuries in a rear-end collision?
- C2 fx Hangman's fx
- T12-L1 injuries
- Femur fx
- Tib/fib fx
- Ankle fx
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What are predictable injuries in a motorcycle side impact or lay-it-down collision?
- Open femur fx
- Pelvic fx
- Trapped arms break ribs
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What is a Colles' fracture?
- Distal radius fx with posterior displacement of the wrist and hand
- Common in falls
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Which is the most common type of hip dislocation?
- Posterior
- Extremity flexed and adducted
- Internal rotation
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What is the primary treatment of any fracture?
Immobilize above and below the injury
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What is the formula for CPP?
CPP = MAP - ICP
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What is the formula for MAP?
MAP = DBP + 1/3 PP
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What is cavitation?
Formation of air bubbles in a liquid at low pressure when the liquid is accelerated
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What does TOES stand for and what does it mean?
- Temporal
- Occipital
- Ethmoid
- Sphenoid
- Possible bones associated with basilar skull fractures
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What is Brudzinski's sign?
- Nuchal rigidity causes a patient's hips and knees to flex when neck is flexed
- Can indicate meningitis or subarachnoid hemorrhage
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What is Kernig's sign?
- Inability to straighten the leg when hip is flexed to 90 degrees
- Indicates meningitis
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What is the most severe type of LeFort fracture?
- Transverse or cranioacial dissociation
- Involves the zygomatic arch
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What are the sxs of subarachnoid hemorrhage?
- Severe HA
- vomiting
- Nuchal rigidity
- Brudzinski's sign
- Confusion/ALOC
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What artery does an epidural bleed typically involve?
Middle meningeal
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What are some target lab values to maintain an ICP patient at?
- pCO2 at 35-45, no less than 30
- Sodium at 155
- Serum Os <320 mOsm/kg
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What is the doll's eyes reflex?
- Eyes move with head turning
- Also known as oculocephalic reflex
- Negative is BAD - eyes remain in mid-position
- Can indicate brainstem dysfunction
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What is Babinski reflex?
- Initial inflection of great toe in response to stroking of sole
- Abnormal response is extensor plantar response
- Can indicate upper motor neuron lesion if abnormal
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What is consensual response?
- Normal pupil will constrict in direct and indirect light
- No response to either indicate a brain problem
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What is autonomic dysreflexia?
- Massive imbalanced reflex sympathetic discharge which can be caused by fecal impaction or bladder distention
- Occurs in patients with spinal cord injuries above T6
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What cardiac rhythm is common in AC electrical injuries?
VFib
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What cardiac rhythm is common in DC electrical injuries?
Asystole (D for Dead)
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What are the three drugs contained in the cyanide antidote kit?
- Amyl nitrite
- Sodium nitrite
- Sodium thiosulfate
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What drug administered for hypertensive emergencies can result in cyanide toxicity?
Nipride in absence of sufficient thiosulfate
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What is the antidote for hydroflouric acid burns?
Calcium gluconate
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What is the hallmark indicator that rhabdomyolysis is occurring in a patient?
Elevated CK/CPK >20,000
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What is hypoxic hypoxia?
Altitude hypoxia, decrease in alveolar oxygen
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What is hypemic hypoxia?
Decreased oxygen carrying capacity in the blood, anemia
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What is histotoxic hypoxia?
Inability of cells to take up or utilize oxygen, poisoning
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What is stagnant hypoxia?
Decreased cardiac output results in blood pooling, CHF
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