-
When is a patient in active labor considered to be stable for transfer?
when baby and placenta have been delivered
-
EMTALA transfer guidelines?
- *written consent
- *documented risks/benefits
- *must send records/results
- *document name/address of any on-call
- physician who refuses or fails to appear
- in reasonable time
- *direct communication between transferring
- and receiving providers
- *receiving must have available beds
- *document receiving physician and phone #
- *experienced staff/equipment during transfer
-
Assessment: always assess ___ first
airway
-
For airway/breathing issues what should be considered before definitive procedures?
basic airway meneuvers and adjuncts
-
What is different about assessing airway in trauma patient?
airway assessment and C-spine stabilization are always combined in trauma
-
How is OPA measured?
tip of mouth to angle of jaw or tip of earlobe
-
How is NPA measured?
tip of nose to angle of jaw
-
When is NPA contraindicated?
midface trauma
-
Normal adult ETT size?
6.5/8.0
-
Pediatric ETT tube size formula?
(16 + age in years) / 4
-
Consideration for pediatric patients with increased RR?
may rapidly deteriorate
-
Where is needle decompression performed?
2nd intercostal space at mid-clavicular line
-
Normal HR in children 1-3?
90-120
-
HR of children >6?
similar to adults
-
Normal HR for infants?
100-160
-
What causes first heart sound?
closure of AV valves at beginning of systole
-
What causes second heart sound?
- closure of semilunar valves at beginning of
- diastole
-
What causes third heart sound S3?
heart failure, fluid overload
-
What causes fourth heart sound S4?
ventricular hypertrophy
-
Causes of systolic murmur?
- mitral regurgitation
- aortic stenosis
-
Cause of diastolic murmur?
- mitral stenosis
- aortic regurgitation
-
First priority in unconscious patient?
protect airway
-
Contraindications for MAST (military anti-shock trousers) and PASG (pneumatic anti-shock garment)
- pulmonary edema
- ruptured diaphragm
- LV dysfunction
- pregnancy
- abdominal evisceration
-
What position should patient be in prior to performing orthostatic VS?
lying flat at least 5 min
-
How should orthostatic VS be performed?
HR & BP at 1 & 3 min after position changes
-
Positive orthostatic VS changes?
- SBP drop >/= 20
- DBP drop >/= 10
- HR increase >/= 20
-
ENA recommends triage be performed by a nurse with how much experience?
at least 6 months
-
-
4-tiered triage system?
- life-threatening
- emergent
- urgent
- non-urgent
-
5-tiered triage system?
- 1 resuscitation- seen immediately
- 2 emergent/very urgent - seen in 10 min
- 3 urgent seen within 30 min
- 4 semi-less urgent - seen in 60 min
- 5 non-urgent seen in 120 min
-
What type of triage system is recommended by ENA and American College of Emergency Physicians?
5 tiered system
-
Use of hyperventilation in head injury patients?
not recommended
-
Research process?
- 1 ID problem
- 2 Review research/data that addresses
- the question
- 3 evaluate findings for validity, relevance,
- and applicability
- 4 integrate the new info into practice
- 5 Evaluate changes in practice for sesired outcome
-
Consideration for transporting patient with family present?
- Never let family leave before patient
- give map and phone number
-
Is written consent required from patient to treat?
no, should be obtained after MSE
-
Implied consent?
life or limb threatening situation
-
3 essential components required for informed consent prior to procedure?
- provider must:
- 1. describe procedure
- 2. explain alternatives
- 3. detail risks
-
Negligence (medical malpractice)?
action or inaction that does not meet standards of care and results in injury to pt
-
Four elements of negligence?
- 1. duty to act (relationship established)
- 2. breach of duty/contract (bad care)
- 3. proximate cause (breech was cause of
- injury)
- 4. result in damage (injury caused by
- negligence)
-
Assault?
attempt or threat to touch another person or the person's possessions without his/her consent
-
Battery?
- actual contact with a person or the person's possessions without consent
- "unauthorized touching"
-
What is required by law to be reported?
- 1. gunshot & stab wounds (self-inflicted also)
- 2. anything r/t violence
- 3. communicable diseases
- 4. child/elder/spouse abuse
- 5. death within 48 hrs admission to hospital
- 6. poisonings
- 7. fetal deaths
- 8. animal bites
-
Blood alcohol consent for law enforcement?
only draw blood with pt express consent
may draw without pt consent with search and seizure warrant but cannot use physical force
-
Who is present for Critical Incident Stress Debriefing?
confidential: only those involved and debriefing team present
-
What should be avoided when interviewing someone?
inquiries about marital status, sexual orientation, religion, age, children
-
What program covers work related injury issues?
OSHA
-
What tasks can be delegated to unlicensed personnel?
technical tasks
-
What tasks may not be delegated to unlicensed staff?
steps of nursing gprocess, triage, assessment, patient teaching, discharge instructions
-
Chain of custody in evidence collection?
maintain chain of custody and minimize contact
-
Documentation when evidence collection is necessary?
document behaviors and use quotations
-
Preserving evidence?
- 1. minimal handling
- 2. paper bag each item
- 3. don't cut thru holes or marks in clothing
- 4. hands: don't wash, consider bagging
- in paper bags
- 5. delay cleaning patient & wounds when
- possible
-
Who dictates guidelines or restraints?
JCAHO and CMS
-
Risks of chemical and physical restraints?
- skin breakdown
- strangulation
- respiratory depression
-
Moderate/conscious sedation?
consciousness depressed but pt maintains own airway and protective reflexes and ability to respond to stimuli
-
What drugs should be available during conscious sedation?
naloxone/flumazenil
-
What consent is required for conscious sedation
need consent for BOTH sedation and procedure
-
Role of monitor in conscious sedation?
monitor patient throughout procedure and recovery and not assist with procedure
-
Type of pt education that involves thinking and reasoning?
- cognitive
- info about disease process, discharge instructions
-
Type of pt education that involves change in attitude of values?
- affective
- educating to change health behaviors, importance of immunizations
-
Type of pt education that requires coordination of the brain and extremities to complete a task?
- psychomotor
- crutch walking, use of peak flow meter and inhalers
-
What is a JCAHO standard in pt teaching?
identify implied and expressed learning needs of the patient or learner
-
What is the most effective method of education?
demonstration
-
Documentation of rapidly occurring interventions?
- use a designated recorder
- chronicle events
- critical pt need evidence of frequent, serial assessment and interventions to help ID trends
-
Documentation by exception?
focus on variances from normal assessment
-
Definition of a disaster?
usually develops suddenly and unexpectedly
requires immediate coordinated and effective responses by multiple gov agencies and private organizations
sudden & massive disproportion b/t hostile elements of any kind and survival resources which can be brought into action in shortest possible time
-
Phases of a disaster?
- 1. warning: impending danger
- 2. impact: disaster occurs
- 3. isolation: time from impact until outside
- help arrives. Utilize available resources
- 4. Rescue: assistance from outside sources
- arrives, continuous reassessment of event
- 5. Restoration: days to years, slowly scale
- down response
- 6. Normal Operations: all functions return
- to baseline
-
Multiple casualty?
Mass casualty?
- multiple casualty: 100 or less casualties
- mass casualty: >100 casualties
-
Disaster triage color code?
- Red = immediate/emergent: life-threatening
- injury, airway compromise, etc
Yellow = Delayed/urgent: major illness/injury, requires Tx within the hour
Green = Minor/nonurgent - walking wounded, can self-treat, can wait several hours
Black = deceased/expectant - dead or expected to die: full arrest, massive full thickness burns, fatal injureis
-
SALT for disaster Tx?
- sort
- assess
- lifesaving interventions
- treatment/transport
-
Incident Command System?
each incident will require specific chain of command
establish command center
each hospital must list chain of command and each person's duties
-
Notification of staff members of disaster?
hospital must have disaster call tree system in place
-
How to prepare for disaster?
have drills
-
Hot or Red Hazmat zone?
danger zone, restricted access
requires proper PPE, basic ABC management only and antidote
-
Warm or yellow hazmat zone?
control zone: active decontamination
only emergent Tx provided, requires proper PPE
-
Cold or green hazmat zone?
safe zone: Tx area
staging area, only need standard precautions
-
Shock?
generalized inadequate tissue perfusion resulting in widespread impairment of cellular metabolism and dysfunction of critical organs
-
Compensated shock?
stimulation of SNS to release catecholamines which stimulate beta and alpha receptors
Decreased renal BF activates renin-angiotensin aldosterone system
Reduced capillary hydrostatic pressure
Clinical manifestation: anxiety, hyperventilation, narrowing pulse pressure with normal BP, cool clammy skin, increasing serum glucose
-
Effects of epi and nor-epi?
increased BP, HR, myocardial contractility, and BF to lungs
release of glucocorticoids
-
Result of Renin-angiotension-aldosterone system activation?
vasoconstriction
aldosterone - increases sodium and water reabsorption
inceased secretion of ADH causes water retention
-
Adrenergic receptors?
- Alpha: arteries
- Beta 1: heart
- Beta 2: lungs
-
Why is capillary hydrostatic pressure reduced in shock?
translocation of fluid from interstitial space to intravascular space
increases circulating blood volume
-
Clinical manifestations of shock in healthy person that is compensated?
may appear relatively normal
-
Clinical manifestations of compensated shock?
- anxiety
- hyperventilation
- narrowing pulse pressure with normal BP
- cool clammy skin
- increasing serum glucose
-
Uncompensated shock?
- 1. vessels begin to vasodilate
- 2. organ dysfunction
- 3 anaerobic metabolism
- 4.histamine release
-
What occurs as vessels dilate in uncompensated shock?
decreased peripheral resistance and BP
decreased venous return to the heart (preload)
-
Liver disfunction in decompensated shock?
decreased liver function and production of clotting factors
-
Pancreas dysfunction in decompensated shock?
release of myocardial depressant factor (MDF) resulting in further depression of cardiac function
-
Lung dysfunction in uncompensated shock?
decreased production of surfactant
-
Kidney dysfunction in uncompensated shock?
decreased GFR and ability to clear toxins
-
What occurs in anaerobic metabolism?
cell hypoxia, acidosis (lactic and metabolic)
-
Effects of histamine release r/t uncompensated shock?
capillary permeability increased
fluid shift from intravascular to interstitial space
-
Clinical manifestations of uncompensated shock?
- alterations in LOC
- hypotension
- significant tachycardia
- peripheral cyanosis
- decreasing UO
- decreased pulmonary capillary BF and gas exchange
- microcapillary clotting from sluggish BF
-
What causes decreased pulmonary capillary BF and gas exchange in uncompensated shock?
endothelial damage to lungs resulting in metabolic and respiratory acidosis
-
Characteristics of irreversible/refractory shock?
- 1. progressive organ dysfunction leading
- to death
- 2. acidosis
- 3. clotting derengements
- 4. cerebral ischemia
-
Clinical manifestations of irreversible/refractory shock?
- 1. cold, pale, mottled skin
- 2. extremely weak, thread pulses
- 3. significant tachycardia & dysrhythmias
- deteriorating to bradycardia
- 4. severe hypotension
- 5. hypothermia
-
Hypovolemic shock
alteration in circulating volume: preload
-
Causes of hypovolemic shock?
loss of blood, plasma, or other body fluids
- 1. massive blood loss
- 2. vomiting/diarrhea
- 3. diabetes insipidus
- 4. burns
- 5. DKA
- 6. excessive diaphoresis
-
Class I fluid volume loss associated signs and symptoms?
- up to 15% loss/750mL in adults
- HR <100, BP normal
- essentially normal physical exam
-
Class II volume loss?
15-30%/750-1500mL in adults
HR >100, BP normal, decreased pulse pressure
pale, anxious, diaphoretic, cool/clammy skin
-
Class II volume loss?
30-40%, 1500-2000mL for adults
HR>120, hypotensive, decreased pulse pressure
very anxious, confused, oliguria
-
Class IV volume loss?
>40%, >2000mL in adults
HR>140, hypotension, decreased pulse pressure
lethargic, unresponsive, anuria, cold, pale
-
Locations for IO insertion?
Which is preferred in adults?
- distal femur
- proximal tibia
- proximal humerus (preferred in adults)
- sternum (requires special device)
-
When should central line access be used for fluid volume loss?
- last option
- should be placed once stabilized and via sterile technique unless no other option
-
Ratio of crystalloid to blood and colloid to blood replacement?
3:1 crystalloid to blood
1:1 colloid to blood
-
Why should all IV fluids and blood be warmed in hypovolemic conditions?
patients with temp <34 C have 50% higher mortality rate
-
Pediatric fluid and blood replacement criteria in hypovolemic shock?
- 20mL/kg bolus (X2-3) crystalloid
- 10mL/kg PRBC or colloids
-
Cardiogenic shock?
impairment of pumping ability/contractility of heart
-
Primary causes of cardiogenic shock?
- 1. MI - most common
- 2. myocardial contusion
- 3. cardiomyopathies
- 4. valve dysfunction
- 5. ruptured septum
-
Obstructive shock?
obstruction of forward flow of blood- obstruction causes decreased circulating volume by preventing myocardium from mechanically emptying or filling during diastole
-
Causes of obstructive shock?
- 1. tension pneumo
- 2. pericardial tamponade
- 3. pulmonary embolism
- 4. aortic aneurysm
-
Clinical manifestations of cardiogenic shock?
- 1. restlessness, apprehensive, confused, obtunded
- 2. chest pain
- 3. pale, cool, clammy skin
- 4. thread peripheral pulses
- 5. delayed cap refill
- 6. EKG changes/dysrhythmias
- 7. shallow, rapid breathing
- 8. decreased UO
- 9. metabolic acidosis
- 10. hypoxemia/hypocapnia
- 11. weak or muffled heart sounds, S3 gallop
- 12. distended neck veins (RV failure)
-
Management of cardiogenic shock?
- 1. ABC's
- 2. EKG
- 3. anticipate need for thrombolytics
- 4. manage preload
- 5. improve contractility
- 6. decrease afterload
- 7. anticipate need for IABP
- 8. correct obstruction: needles thorocostomy, pericardiocentesis
-
How to increase and decrease preload?
increase: more volume
decrease: nitroglycerin, furosemide, morphine
-
Medications to improve contractility?
inotropes: dobutamine, milrinone
-
Dobutamine?
stimulates Beta 1 receptors: increased cardiac contractility
-
Medications to decrease afterload?
- nitroprusside/nipride
- ACE inhibitors
-
Distributive shock?
abnormal placement of intravascular volume
-
3 types of distributive shock?
- 1. septic shock
- 2. anaphylactic shock
- 3. neurogenic shock
-
Septic shock?
toxins released by invading organisms cause vasodilation and activate cellular, humoral, and immunologic systems
massive vasodilation and inceased capillary permeability
-
Type of toxins released by gram pos and gram neg bacteria?
- gram pos - exotoxins
- gram neg - endotoxins
-
SIRS - systemic inflammatory Resonse Syndrome?
nonspecific inflammatory response to a variety of stimuli
-
SIRS criteria?
- Must have 2:
- 1. temp <36C or >38C
- 2. HR >90
- 3. tachypnea >20 or PaCO2 <32
- 4. WBC <4000 or >12,000 or >10% band formation
-
Sepsis?
SIRS + infection or presumed infection
-
Severe Sepsis?
Sepsis with >/= 1 organ dysfunction
-
Septic shock?
sepsis + hypotension that requires vasopressors (refractory to crystalloids)
-
Multi Organ Dysfunction Syndrome (MODS)?
involving at least 2 vital organ systems: respiratory, cardiac, nervous, renal, hepatic
-
Clinical manifestations of septic shock?
- 1. tachycardia
- 2. increased CO/index
- 3. decreased vascular resistance
- 4. widened pulse pressure
- 5. normal BP or mild hypotension
- 6. flushed skin
- 7. decreased LOC
-
Late septic shock clinical manifestations?
- 1. progressive decline in LOC
- 2. profound hypotension
- 3. pale, cool, clammy/mottled skin
- 4. weak, thread, peripheral pulses
- 5. severe acidosis
- 6. hypoxemia & increased work of breathing
- 7. systemic and pulmonary edema
-
Management of septic shock?
- 1. support ABC's
- 2. volume
- 3. vasopressors
- 4. Tx infection: ABX
-
Anaphylactic shock?
- 1. sudden onset
- 2. severe allergic reaction: systemic antigen-antibody reaction, hypersensitivity
- 3. massive vasodilation and increased capillary permeability
-
Common triggers of anaphylaxis?
- 1. antibiotics
- 2. shellfish
- 3. peanuts
- 4. eggs
- 5. stinging insects (hymenoptera)
-
Clinical manifestations of anaphylactic shock?
- 1. anxiety, impending doom
- 2. pruritus
- 3. uricaria, rash
- 4. sudden HA, ABD pain
- 5. dyspnea, tachypnea
- 6. syncope
- 7. angioedema
- 8. skin warm & flushed (early)
- 9. skin cool & clammy (late)
- 10. stridor &/or wheezing
- 11. nasal flaring
- 12. use of accessory muscles
- 13. profound respiratory distress
-
Sepsis Bundles?
- within 3 hours:
- obtain lactate
- blood cultures before antimicrobials
- broad spectrum ABX
- 30mL/kg crystalloid bolus for hypotension or lactate >4
- within 6 hours:
- vasopressor if hypotensive despite fluids (NE preferred)
- goal MAP >/= 65
- measure CVP and ScVO2
- rre-measure lactate
-
What receptors are affected by epinephrine?
alpha and beta equally
-
What receptors are affected by norepinephrine?
alpha > beta
-
What receptors are affected by phenylephrine?
alpha only
-
what receptors are affected by dopamine?
dopamine, beta 1 and alpha depending in dose
-
Medications for anaphylactic shock?
- epinephrine 1:1000 (1mg/1ml) 0.1-0.5mg IM/SQ or IV in severe cases (1:10,000) 1mg/10mL
- antihistamines: H1 blockers- Benadryl
- H2 blockers - famotidine, ranitidine
- volume replacement
- vasopressors
-
Neurogenic shock?
- 1. loss of sympathetic vasomotor function
- 2. uncontested parasympathetic response
-
What type of injuries typically involve neurogenic shock?
Other causes?
spinal cord injuries at or abve level of T6
brain stem injuries, spinal anesthesia, depressant and hypoxia
-
Clinical manifestations of neurogenic shock?
- 1. hypotension & BRADYCARDIA
- 2. warm, dry, flushed skin
- 3. poikilothermia - can't control temp
- 4. spinal shock - neurogenic motor dysfunction or areflexia noted below the level of the lesion
-
Management of neurogenic shock?
- 1. manage ABC's
- 2. volume: admin with crystalloids
- 3. maintain normothermia
- 4. vasopressors: phenylephrine, NE
- 5. stabilize spine
-
What percentage of NS stays in the intravascular space?
33%`
-
Issues with large volumes of NS?
hyperchloremic metabolic acidosis
-
What fluid should be used when transfusing blood products?
NS
-
NS?
isotonic- increases volume without altering NA+ concentration or serum osmolality
-
LR?
isotonic - increases volume and replces intracellular fluid losses
-
What fluid is most similar to plasma?
LR
-
LR should be used with caution in pt with what organ dysfunction?
liver dysfunction: lactate is converted in the liver
-
What metabolic imbalance may be caused by large quantities of LR?
metabolic alkalosis r/t lactate converted to bicarbonate
-
3.0% saline?
- hypertonic - increases plasma volume with lower volumes required
- used in conjunction with conventional resuscitation fluids
- improve cerebral perfusion
-
Hypertonic fluids and intravascular space?
help keep water in intravascular space
-
Considerations when admin 3.0% saline?
administer slowly
may cause fluid overload ad pulmonary edema
-
Whole blood?
blood and volume replacement
increases O2 carrying capacity of blood
-
-
Consideration when admin whole blood?
kept frozen - must give quickly after thawing to preent deterioration of factors V and VII
-
PRBC?
increases RBC's, HgB, and Hct
increases o2 carrying capacity of blood
-
Universal donor?
O+ and O-
-
Consideration with admin of PRBC r/t blood clotting?
no significant amnt of clotting factors/platelets
consider transfusion of FFP and platelets after every 4-5 units PRBC
-
FFP?
replaces clotting factors, plasma proteins, and plasma
used for control of bleeding and replacement from blood loss
-
Considerations for admin of FFP?
kept frozen and must be admin quickly r/t deterioration of factors V and VII
-
Platelets?
thrombocytes in plasma
control bleeding and replacement from blood loss
-
Albumin and other colloid administration?
increases plasma volume and the plasma colloid (oncotic) pressure
-
Cranial nerve I?
olfactory - sense of smell - rarely tested
-
Cranial nerve II?
optic - visual acuity, visual fields, detection of light reflex
-
Cranial nerve III?
Oculomotor - constricts/dilates pupil, elevate upper lid, most extraoxular movements (EOMs), up, down, in
-
Cranial nerve IV?
trochlear - EOMs - look down, inward
-
Cranial nerve V?
- trigeminal
- corneal reflex
- sensation of face, scalp, oral and nasal cavities (3 branches)
- chewing, jaw movement
-
Cranial nerve VI?
abducens - EOMs movement of eye laterally
-
Cranial nerve VII?
Facial - facial movment and expression - raise eyebrow, smile, close eyes, lip movement, show teethc, anterior taste (rarely tested)
-
Cranial nerve VIII?
Acoustic (vestibulocochlear) - hearing and balance
-
Cranial nerve IX?
Glossopharyngeal -swallowing, gag reflex, taste on posterior tongue, sensation of the carotid bodies
-
Cranial nerve X?
- Vagus - sympathetic/parasympathetic responses (HR, BP, RR),
- thoracic and abd viscera, gag reflex, speech
-
Cranial nerve XI?
spinal accessory - shoulder shrug, head turning
-
Cranial nerve XII?
hypoglossal - tongue movement
-
Oculocephalic reflex?
doll's eyes - normal response: while turning head rapidly side to side, the eyes move the opposite direction to where head is turned
-
Oculovestibular reflex?
ice water calorics: normal response: eyes turn slowly toward the ear in which the ice water is injected into, then rapidly turn away
-
Apnea test?
allow CO2 to build up to stimulate respiratory system to determine if patients will breathe on their own
-
What is affected with loss of brain stem reflexes?
pupils, gag, cough, and corneals
-
Cerebral perfusion pressure (CPP) formula?
MAP - ICP
-
-
-
Decerebrate posturing?
extension - injury to the brainstem
hands and arm extended outward
-
Decerebrate posturing indicates what type of injury?
brainstem
-
Decorticate posturing?
flexion - hands clinched and turned inward toward body
-
Decorticate posturing indicates what type of injury?
injury above midbrain
-
What does Cushing's Triad indicate?
very late sign of increased intracranial pressure (ICP)
-
3 characteristics of Cushing's Triad?
- 1. increased systolic BP (widened pulse pressure)
- 2. profound bradycardia
- 3. abnormal respiratory pattern
-
Brain Herniation?
late sign of increased ICP resulting from shifting of brain tissue
-
Causes of brain herniation?
- 1. tumors
- 2. bleeding
- 3. swelling
-
S/S of brain herniation?
altered LOC, posturing, VS changes
-
S/S of uncal herniation?
same as other herniations and dilated pupils unilaterally or bi-laterally
-
s/s of central herniation?
same as other herniations and constricted pupils equal
-
GCS?
- Motor Response:
- 1 - none
- 2 - abnormal extension
- 3 - abnormal flexion
- 4 - withdraw (flexion) from pain
- 5 - localizes to noxious stimuli
- 6 - obeys commands
- Eye
- 1 - none
- 2 - opens to pain
- 3 - opens to speech
- 4 - spontaneous
- verbal response
- 1 - none
- 2 - incomprehensible words or sounds
- 3 - verbalizes but inappropriate words
- 4 - confused but converses
- 5 - oriented and coverses
-
What is indicated by small, reactive, regular shaped pupils?
metabolic imbalances, diencephalic dysfunction
-
What is indicated by fixed, dilated pupils?
third cranial nerve dysfunction, anoxia
-
What is indicated by midposition and fixed pupils?
midbrain dysfunction
-
What is indicated by pinpoint, nonreactive pupils?
pontine dysfunction, opiates, miotic drugs
-
Cheyene-Stokes respirations?
regular cycles of respirations that gradually increase in depth and then decrease in depth to periods of apnea
-
What do Cheyne-Stokes respirations indicate?
lesions deep in cerebral hemispheres, diencephalon, or basal ganglia
-
Cenral Neurogenic respiratory changes?
deep, rapid respirations
indicate lower midbrain or upper pons issues
-
Apneustic respirations?
prolonged inspiration followed by a 2-3 sec pause
-
What is indicated by apneustic respirations?
pons issue
-
Ataxic respirations?
irregular, unpredictable, shallow, then deep respirations with pauses
-
What is indicated by ataxic respirations?
upper medulla, lower pons issues
-
Assessment findings of a ventriculoperitoneal (VP) shunt malfunction?
- 1. vomiting
- 2. HA
- 3. irritability
- 4. inconsolable
- 5. high pitched cry
- 6. fever
- 7. redness along shunt line
- 8. fluid around shunt valve
-
Causes of VP shunt malfunction?
infection: fever, warm, redness, swelling near reservoir, s/s of increased ICP
obstruction: altered LOC, emesis (often w/o nausea), pupil changes, VS changes indicative of increased ICP
-
Diagnosis and evaluation of VP shunt?
- 1. shunt series
- 2. CT or MRI
- 3. shunt tap - CSF studies
-
What ages is Babinski reflex normal?
approx. age 2
-
When does anterior fontanel close?
9-18 months
-
How should tone of infant be assessed?
resting position
-
S/S of meningeal irritation in infants?
shrill cry, irritable, loss of appetite
-
Primary HA?
no organic cause
-
Migraines?
may have aura and awareness of HA coming on
throb/pulsating in nature
-
Tension HA?
can last up to 7 days
constant non-pulsating pain, cervical muscle tenderness
-
Cluster HA?
occur in groups followed by period of remission
excruciating - burning sensation behind eyes, associated with lacrimation and rhinorrhea on affected side
-
Secondary HA?
organic etiology: tumor, aneurism
-
S/S of migraine?
- 1. aura (visual or somatosensory)
- 2. NV
- 3. photophobia/phonophobia
- 4. difficulty concentrating
- 5. visual changes
-
What type of precipitating events may bring on migraines?
- 1. emotional events
- 2. metabolic - fever, menses
- 3. flickering lights or TV
- 4 foods
- 5. fatigue
- 6. alcohol abuse
- 7. sleep deprivation
-
Tx of HA?
- 1. heat (muscular)
- 2. cold (vascular)
- 3. dark room
- 4. massage
- 5. analgesics
- 6. oxygen for a cluster HA
- 7. preventative drugs: vasoconstrictors, beta blockers, anticonvulsants
-
When does meningitis occur more?
late winter and early spring
-
Bacteria responsible for meningitis?
- streptococcus pneumonia
- haemophlus influenza
- Neisseria meningitides
-
Consideration for infants and geriatrics and meningitis s/s?
often don't show classic signs of meningeal irritation and fever
-
Opisthotonus?
severe hyperextension and spasticity of the head, neck, and spinal column
occurs in meningitis
-
Layers of meninges?
- mininges PADS the brain:
- P - pia mater
- A - arachnoid layer
- D - dura mater
- S - skull/skin
-
S/S of meningitis?
- 1. illness or exposure
- 2. altered LOC
- 3. HA (occipital)
- 4. fever, chills
- 5. vomiting, diarrhea
- 6. seizures
- 7. bulging fontanel in infants
- 8. cyanosis, mottled skin
- 9. neck and back pain
- 10. restless/irritable
- 11. lethargic
- 12. high pitched cry
- 13. anorexia, poor feeding
- 14. meningeal signs: nuchal rigidity, pain upon neck flexion, photophobia, positive Kernig's/Brudzinski's sign
- 15. petechiae
- 16. purpura
-
Diagnostics for meningitis?
- CBC - high WBC(bacterial)/meningococcal usually WBC <10,000
- BMP
- blood cultures
- clotting studies
- urinalysis
- CXR
-
When is LP contraindicated?
known or suspected increased ICP
-
Normal or viral infection LP results?
- 1. clear appearance
- 2. normal pressure
- 3. WBC <500
- 4. glucose and protein normal
- 5. negative gram stain
-
Bacterial meningitis LP results?
- 1. cloudy appearance
- 2. increased pressure
- 3. WBC >1000
- 4. decreased glucose and elevated protein
- 5. bacteria on gram stain
-
Tx of meningitis?
- 1. strict isolation: mask, gown, gloves
- 2. undress completely - check skin
- 3. ABC's, O2, frequent VS, seizure precautions
- 4. IVs ASAP
- 5. antibiotics EARLY
- 6. antipyretics
- 7. monitor mental status
- 8. treat any family members/healthcare
- workers exposed if bacterial within 24 hours
-
Who makes up 40% of CVA's?
women 65 and older
-
Risk factors for CVA?
- 1. hyperlipidemia
- 2. CHF
- 3. obesity,
- 4. MVP
- 5. Afib
- 6. smokers
- 7. drug use (cocaine)
- 8. uncontrolled HTN
-
What does NIHSS measure?
normal score?
severity and predicts outcomes
0
-
TIA?
brief symptoms that last seconds to 24 hours
-
Stroke in evolution/progressive stroke?
progressive development of a deficit over time
-
Completed stroke?
immediate maximization of deficit - no improvement or decline
-
S/S of anterior stroke (carotids)?
- 1. altered LOC
- 2. motor deficit: contralateral hemiparesis
- or hemiplegia
- 3. sensory deficit: contralateral
- 4. speech deficit: dysphasia: expressive,
- receptive, or global
- 5. Visual deficit: loss of vision in half of vision field
-
S/S of posterior stroke?
- 1. altered LOC
- 2. motor deficit in more than one limb
- 3. visual deficit: field deficits, cortical blindness, diplopia
- 4. Loss of coordination - cerebellum
- 5. cranial nerve deficit:
- *dysphonia - difficulty producing voice
- sounds
- *dysarthria - difficulty with articulation
- *dysphagia - difficulty swallowing
-
Diagnostics for CVA?
- 1. non contrast CT scan within 25 min of ED arrival is goal
- 2. MRI
- 3. EKG
- 4. carotid Doppler studies
-
Treatment of CVA?
- 1. maintain ABC's
- 2. frequent neuro checks
- 3. HOB elevated in neutral in-line position
- 4. frequent VS - BP goal </= 185/110
- 5. anticoagulation - ischemic stroke only
- 6. mechanical clot retrieval procedures (FDA
- approved for 8 hours from onset s/s)
- 7. IV tPA
- 8. Intra-arterial tPA - not currently FDA
- approved
-
Goals for tPA admin?
within 60 min of ED arrival
within 3 hours of onset of s/s
-
Max dose of tPA?
90mg or 0.9mg/kg
-
How should tPA be admin?
10% of dose over 1 minute then rest of drug over one hour
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