-
common cholesterol containing foods
- eggs
- shellfish
- organ meats
- whole milk
-
these interfere with tissue healing
-
used to treat RA
- corticosteroids
- NSAIDS
- Methotrexate
-
limited effect on platelet function
fewer GI effects
-treatment:OA, RA, acute pain
-
Tx of mild to moderate OA, RA, and gouty arthritis
-severe GI toxicities
- Oxicams
- (meloxicam, peroxicam)
-
general term for any of several disorders charac. by inflamm., degeneration or metabolic derangement of connective tissue, esp. joints, muscles, tendons, bursar, fibrous tissue and ligaments
rheumatism
-
inhibits the enzyme xanthine oxidase, which prevents uric acid production
allopurinol
-
reduces the inflamm. response to the deposites of urate crystals in joint tissue
-used to treat gout
colchicine
-
supplies the anterior portion of the heart and a portion of the RV
left anterior descending artery (coronary)
-
passes around to the left and back between the LA and LV to supply blood to those areas
left circumflex (coronary)
-
supplies RA and RV and a portion of the posterior LV
right coronary artery
-
amount pumped by each ventricle in 1 min
stroke vol X heart rate
5-6 L
Cardiac Output
-
amount of blood ejected from the ventricle per heart beat
stroke volume
-
amount of blood ejected from the ventricle at the end of the diastole
pre load
-
peripheral resistance or pressure the LV must overcome to eject during systole
afterload
-
increase HR
increase speed on impusle conduction through the AV node
increase force of atrial and ventricular contraction
Sympathetic nervous system
-
decrease HR
slowed SA node rate
slowed contraction through AV node
parasympathetic nervous system
-
causes decreases HR and peripheral vasodilation
baroreceptors
-
stimulate the casomotor center to increase cardiac activity
chemoreceptors
-
peak pressure exerted against the arteries when the heart contracts
systolic BP
-
the residual pressure of the arterial system during ventricular relaxation
diastolic BP
-
increased with atherosclerosis
decreased in cardiac failure of hypovolemia
pulse pressure
-
perfusion pressure felt by organs of the body
mean arterial pressure
-
blood studies for this system include serum lipids, c-reactive protein, homocysteine
cardiovascular
-
when taking a stress tests hold beta-blockers for ___ hours
24
-
injection of contrast media allows visualization of the coronary arterier and the heart chambers
-used to diagnose severity of CAD
cardiac cath
-
major cause of CAD
atherosclerosis
-
nonspecific marker of inflamm.
increased in patients with CAD
C-reactive protein CRP
-
CAD
earliest lesions; potentially reversible
characterized by lipid-filled smooth muscle cells
Fatty Streaks
-
CAD
beginning of progressive changes in the arterial wall
collagen forming a fibroud plaque that appears grayish or whitish
result=narowing of vessel lumen
fibrous plaque
-
continued inflamm. can result in plaque instability, ulceration and rupture
platelets accumulate and a thrombis forms
increased narrowing of total occlusion of lumen
complicated lesion
-
drugs that restrict lipoprotein production;
Statins, niacin
-
drugs that increase lipoprotein removal
bile acid sequestrants
-
drugs that decrease cholesterol absorption
zetia
-
-
intermittent chest pain that occurs over a long period with the same pattern of onset, duration, and intensity of symptoms, rarely sharp or stabbing; does not change with position or breathing
chronic stable angina
-
reversible myocardial ischemia=
O2 demand>O2 supply
angina(chest pain)
-
occurs in the absense of any subjective symptoms; confirmed with ECG changes; prevalent in persons with diabetesumn
silent ischemia
-
occurs only at night but not necessarily during sleep
nocturnal angina
-
chest pain that only occurs while lying down; relieved by standing or sitting
angina decubitus
-
unpredictable and unrelieved by rest
characterized by progressive severity
unstable angina
-
occurs usually in response in coronary spasm; may occur in the absence of CAD;
prinzmetals angina
-
myocardial ischemia occurs as a result of two factors
- increased oxygen deman
- decreased oxygen supply
-
most MIs involve the _____ ____
left ventricle
-
described as heaviness, constriction, tightness, burning, pressure or crushing
common locations: substernal, retrosternal or epigastric areas; pain may radiate
MI
-
initially increased HR and BP and then decreased BP; crackles, jugular vein disten., vasoconstriction
MI
-
requires cardiopulmonary bypass; uses arteries and veins for grafts
coronary artery bypass graft
-
elevated BP with a specific cause
secondary hypertension
-
produces increased vasoconstriction, increased heartrate, increased Renin release
Primary hypertension
-
weight loss of ____ may decrease SBP by approx______-_____mm Hg
-
with hypertension a person should reduce sodium to ____
<2.4g Na a day
-
heart is unable to produce an adequate cardiac output to meet metabolic needs
heart failure
-
increase in the muscle mass and caridc wall thickness in response to chroin dilation; heart muscle has ^O2 needs, poor contractillity, poor CA circulation
hypertrophy
-
most common type of HF
left sided
-
ventricular dysfunction, back up of blood in atrium and pulmonary veins
1.pulmonary congestion
2.pulmonary edema
left sided HF
-
ventricular MI, backup of blood into the atrium and venous systemic circulation
1. jugular vein distention
2. hepatomegaly
3.Ascites(fluid in body cavity)
4. peripheral edema
right sided HF
-
S/S: fatigue, dyspnea, persistent, dry cough, unrelieved with position change or OTC cough suppressants, dependant edema, sudden game >3lbs
chronic heart failure
-
diagnostic studies to determine HF:
- chest X-ray;
- ECG;
- Labs: cardiac enzymes, BNP;
- stress testing;
- cardiac cath
-
these drugs are used in the treatment of HF
- diuretics
- digitalis
- Ace inhib
- Nitrates
- Beta blockers
-
used in heart failure and to control ventricular response to Afib, or flutter; drug levels must be monitored; love K increases its toxicity
digoxin(cardiac glycosides)
-
^in force and velocity of myocardial contraction, w/o ^ in O2 consumption; results in reduced heart rate and improved cardiac efficiency; avoid high Fiber foods; visual disturbances
digoxin(cardiac glycosides)
-
these bypass the liver and experience a lrg first-pass effect
potent dilator of coronary arteries
nitrates
-
cause vasoconstriction due to relacation of smooth muscles, results in reduced O2 demand; alleviate coronary artery spasms
1. used for treatment of ischemic heart conditions(angina)
nitrates
-
used in the Tx of angina, HTN, cardiac disrhythmias
especially used in the treatment of exertional angina
Beta blockers
-
decreased HR, resulting in decreased myocardial O2 deman and ^ O2 delivery to the heart; decreased myocardial contractility, helping to conserve energy or decrease demand
Beta blockers
-
block the harmful effecs of catecholamines, thus improving survival after MI
1. cause constipation
2. never be abuptly dicontinued
beta blockers
-
first line drugs for treatment of angina, HTN, and supraventricular tachycardia, coronary artery spasms (prinzmetals angina), short term A-fib and flutter
Ca channel blockers
-
cause coronary artery vasodilation, peripheral arterial vasodilation, decreasing systemic vascular resistance, reduce the workload of the heart,
RESULT: decreased myocardial O2 demand
Ca Channel blocker
-
block the enzyme in the kidneys that converts angiotension 1 into angiotension II; recommended for anterior wall MIs or MIs that result in decreased lft vent function
ACE inhib
-
can prevent of slow the progression of HF; results in dilation of peripheral blood vessels; ^ ejection fraction
ACE inhib
-
results in the removal of sodium and water
diuretics
-
inhibits sodium and chloride resorption; potent diuresis and subsequent loss of fluid
1. causes K depletion, ototoxicity
loop diuretic
-
word in collecting ducts and distal convuluted tubules; block the resoption of sodium and water usually induced by aldosterone
spironolactone(K-sparing diurectics)
-
prevents K from being pumped into the tubule, thus preventing its secretion; blocks the aldostone receptors and inhibit its action
1. hyperkalemia
2. weakness
spironolactone (K-sparing diurtetics)
-
act primarily in the dital convoluted tubule to inhibit tubular resorption of sodium, chloride, and potassium ions
RESULTS: water, sodium and cholirde excretion; dilate the arterioles by direct relaxation
thiazide and thiazide-like diuretics
-
monitored by activated partial thromboplastin times (aPTTs)
heparin
-
effects reversed by protamine sulfate
heparin
-
monitored by prothrombin time (PT) and INR (PT-INR)
warfarin
-
this is given for warfarin toxicity
Vitamin K
-
drugs that break down or lyse, preformed clots; reestablish blood flow to the heart muscle via coronary arteries, preventing tissue destruction
thrombolytic drugs
-
most potent LDL reducers
lower the rate of cholesterol production
Statins or HMGS
-
inhibit the synthesis of cholesterol in the liver by blocking HMG-CoA reductase, which is used by the liver to produce cholesterol
Statins
-
this antilipidemics can cause myopathy, possibly leading to the serious condition rhabdomyolysis
Statins
-
inhibits synthesis and secrection of VLDL and LDL; thought to ^ activity of lipase which breaks down lipids
Niacin
-
effective in lowering trigylceride, total serum cholesterol, and LDL levels; ^ HDL level
Niacin
-
believed to work by activating lipase, which breaks down cholesterol;
1.suppress release of free fatty acid from the adipose tissue, inhibits sythesis of trigylcerides in the liver
fibrates (fibric acid derivatives)
-
decrease the triglyceride levels
^HDL by as much as 25%
fibrates
-
prevent resorption or bile acids from the small intestine; used in the relief of pruritus associated with partial biliary obstruction
Bile Acid sequestrants
-
inhibits absorption of cholesterol and related sterols from the small intestine
-results in reduced total cholesterol, LDL, triglyceride level, also increases HDL levels
cholesterol absorption inhibitor
Zeita
-
this antihypertensive is bad for CHF and renal failure
Calcium channel blocker
-
results in the depression of smooth and cardian muscle leads to depression of contraction, decreases contractiliy
Ca Channel blockers
-
these medications end in "pril"
-captopril
-Lisinopril
-Qinapril
-Enalapril
ACE inhib
-
these meds end in "olol"
-Metoprolol
-Atenolol
-Propanolol
-Nadolol
Beta Blockers
-
these meds end in "azosin"
-Doxazosin(cardura)
-Prazosin
-Terazosin
Alpha Blockers
-
these meds end in "ilol and alol"
-Carvedilol (Coreg)
-Labatalol
Alpha and Beta blockers
-
these meds end in "sartan"
-irbesartan(avapro)
-losartan(cozaar)
-valsartan(Diovan)
ARB-Angiotension II receptor-Anagonist
-
these meds end in "dipine, azem, amil"
-amlodipine(Norvasc)
-Diltiazem(Cardizem)
-Verapamil
Calcium Channel Blockers
-
these med end in "ide"
-Bumetanide(Bumex)
-Furosemide(Lasix)
Loop Diuretics
-
these are present in muscle tissue and are released into the blood stream following myocardial damage, and aid in the diagnosis of MI
cardiac enzymes
-
-this is a specific indicator of myocardial damage (0-6%)
-rises in the bloodsteam w/in 4-6 hours following myocardial damage, peaks in 18-24 hours
-returns to normal in 72-96 hours
CPK-MB
-
-protein found in both cardiac and skeletal muscle(12-75 or 20-90)
-released from myocardium w/in 2-6 hr and peaks at 8-12 hr.
Myoglobin
-
-^concentration in the heart, skeletal muscles, RBC's, liver, kidney, lung and brain
-high levels occur 12-24 hours after MI, peak occurs 2-5 days and remains elevated 6-12 days
LDH
-
myocardial injury marker that helps to distinguish true myocardial injury from non cardiac causes
-diagnositic window ends 24 hours after MI
Troponin I (cTnI)
-
-sensitive and specific indicator of an MI
-levels elevated for 5-7 days
Troponin T (cTnT)
-
-not usually present in body
-produced primarily by the liver buring the inflammation process due to tissue injury
-appears 6-10 hr after acute inflammation and tissue injury
-peaks 48-72 hr
C-Reactive Protein (CRP)
-
this marker is increased in ruptured or eroded plaque
-normal <10ml/UL
PAPP-A antigen
-
-end product of fibrin breakdown and indicated an ongoing process of thrombus formaiton and dissolution at the site of active plaques in acute coronary syndromes
-Should be NEG
Plasma d-Dimer
-
-the ventricular myocardium releases these peptides in response to ventric. dilitation and pressure overload
-associated with larger MI
-normal <80
BNP
-
-it predicts a future MI in healthy persons as well as mortality in the elderly
IL-6
-
a serious side effect of of inamrinone
Thrombocytopenia
-
druges that influence the condustion of electrical inpulses
dromotropic
-
drugs that influence the rate of the heartbeat
chronotropic
-
drugs that influence the force of cardiac muscle contractions
inotropic
-
a property of the pacemaker cells of the heart that allows self-activation
automaticity
-
the period during the myocardium is unable to respond to electrical stimulation
refractory period
-
a condition that leads to an increased potential for digoxin toxicity
hypokalemia
-
a condition which may indicate the need for treament with digoxin-immune fab
hyperkalemia
-
a common cardia dysrhythmia involving atrial contractions
A Fib
-
-causes complete emptying of ventricle during systole
-^force and velocity of myocardial contraction and total peripheral resistance
-reduces HR
-slows conduction thru AV node and bundle of HIS
Digitalis-Cardiac Glycosides
-
binds with digoxin and digitoxin to neutralize action and rapidly reduces serum levels
Digoxin Immune Fab (Digibind)
-
rare, recurrent inflammatory vasoocclusive disorder of the small and medium sized arteries, veins and nerves of the U.E and L.E
-damages arterial wall
-eventually thrombosis and fibrosis cause tissue ischemia
Buerger's Disease
-
S/S of this disease include claudication of the feet, hands and arms
-color and temp changes in affected limb
-paresthesia
-cold sensitivity
Buergers Disease
-
TX for this disease include:
-antiplatelet agents
-Ca Channel Blocker
-Alpha Blockers
-Anticoagulants
Buergers Disease
-
episodic vasospastic disorder of the small cutaneous arteries
-most fequently involving the fingers and toes
-color changes (white, blue then red)
-coldness, numbness, followed by throbbing, aching, then tingling and swelling
Raynauds Phenomenon
-
Tx for this disease includes:
-stress reduction technique
-Calcium Channel Blocker
Raynauds Phenomenon
-
localized platelet aggregation and fibrin entrap RBCs, WBCs, and more platelets
-50% of patients have no S/S
Venous Thrombosis
-
-palpable, firm, cardiac vein
-area around vein is tender, reddened and warm
superficial thrombophlebitis
-
Tx of thrombophelbitis include:
- elevate extremity
- heat to relieve pain and tenderness
- compression stockings
- analgesics
-
manifestations of this include:
-unilateral edema
-pain
-erythema
-warmth
-systemic temp >100.4
DVT
-
Tx for DVTs include:
- TED hose and SCDs
- LMWH and Coumadin
- elevation
- warm compress
- analgesics
-
-abnormally dilated, tortuous superficial veins
-ache and pain after prolonged standing
-pressure or cramping sensation
-swelling
Varicose Veins
-
-valves in the veins are damaged which results in retrograde veonous blood flow, pooling of blood in the legs and swelling
Chronic Venous Insufficiency
-
S/S of this disease are as follows:
-leathery skin
-brawny discoloration
-edema
-Puritis
-area warmth to touch
chronic Venous Insuff
-
-located above the medial malleolus; can also occur near lateral malleolus
-wound margins irrg. shaped
-tissue is ruddy in color
-infection and cellulitis possible
-occasionally amputated
Venous stasis ulcers
-
Tx of this disease is as follows:
-compression thru elastic wraps, Unna Boot
-moist dressing for wound healing
-diet with protein, vit. A and C, and Zinc
Venous stasis ulcers
-
involves progessive narrowing and degeneration of arteries of neck, abdomen, and extremities
-atherosclerosis is the leading cause
-
peripheral arterial disease
-
S/S of peripheral arterial disease include:
-diminished or absent pedal, popliteal or femoral pulses
AND.....
- -ischemic muscle ache or pain
- -paresthesia
- -shooting or burning pain, present near ulcerated areas
- -thin, shiny, taught skin, pallor
-
Tx for PAD include:
antiplatelet and ACE inhib
-
drugs prescribed for Tx of intermittent claudication are:
- Tental
- -^erythrocyte flex
- -lowered blood viscosity
- Pletal
- -^vasodilation
- -^walking distance
-
the affinity of hemoglobin for oxygen
oxygen-hemoglobin dissociation surve
-
a receptor that responds to a change in the chemical composition of the fluid around it
chemorecptors
-
respond to changes in the H+ ion concentration
central chemoreceptors (in medulla)
-
respond to decreases in PaO2 and pH and to increases in PaCo2
peripheral chemoreceptors (in carotid bodies)
-
what diagnostics studies are used with the respiratory system
Hb,Hct, AGBs, Oximetry, Sputum studies
-
what allergy stops people from having CT scans?
shellfish
-
if a chest tube is placed high in the chest it is used to release _____, if it is placed low it is used to release _____
-
septum is bent from one side, altering air passage
-S/S; obstruct. breathing, nasal edema, dryness,
deviated septum
-
what should be withheld 2 weeks prior to septoplasty
aspirin
-
what position should i person be placed in when they are experiencing epistaxis
leaning forward or high fowlers
-
the reaction of the nasal mucosa to an allergen such as pet saliva, dust mites, mold, pollen, etc
Allergic Rhinitis
-
spread by airborne droplets, can survive on inanimate objects for 3 days
-common cold or coryza
Acute Viral Rhinitis
-
what complications can result from acute viral rhinitis
- pharyngitis
- sinusitis
- otitis media
- tonsillitis
- lung infections
-
cause significant morbidity and mortality
symptoms typically subside in 7 days
Influenza
-
what is one major complication of the flu
pneumonia
-
when ostia from the sinuses are narrowed or blocked by inflamm. or swelling
sinusitis
-
what are the main Tx's for sinusitis
- Decongestants (2nd generation only!)
- antihistimines, corticosteroids
-
benign mucous masses that form slowly in response to repeated inflamm. of the sinus or nasal mucosa
-appear bluish and glossy
polyps
-
acute inflamm.; may include the tonsils, palate, and uvula
-can be caused by viral, bacterial, or fungal infection
acute pharyngitis
-
what are the complications of Strept
rheumatic heart disease or glomerulonephritis
-
this is often caused by inhaled corticosteroids
candida (yeast)
-
inflamm. of the lower respiratory tract, most ofter ciral but could also be bacterial; often follows a URI
Acute Bronchitis
-
the treatment for acute bronchitis includes ^ fluids, rest,.........
- anti-inflamm.
- cough suppresants
- bronchodilatos
-
acute inflamm. of lung caused by microbial organism
-decreased cough and epiglottal reflexes may allow aspiration
pneumonia
-
what are the three ways organisms can reach the lungs causing pneumonia
- aspiration
- inhalation of microbes
- hematogenous spread from primary infection
-
onset outside hospital or during first 2 days of hopitalization; ^ midwinter
community acquired pneumonia
-
occuring 48 hours or longer after admission and not incubating at time of hospitialization
hospital acquired pneumonia
-
the second most common nosocomial infection
pneumonia
-
occurs from abnormal entry of secretions into lower airway; usually with hx of LOC; tube feeding is risk factor
aspriation pneumonia
-
pts at risk for this disease include;
severe protein-calorie malnutrition, immune deficiencies, chemotherapy/radiation,
transplant pts
opportunistic pneumonia
-
this phase of pneumonia causes massive dilation of capillaries, causing lungs to appear red and granular
red hepatization
-
Pneumonia:
leukocyte and fibrin concolidate in affected part of the lung
-Decreased blood flow
gray hepatization
-
unpon physical examination of this disease you will find; dullness on percussion, ^ fremitus, bronchial breath sounds, crackles
pneumonia
-
collapsed alveoli
atelectasis
-
pts with pneumonia should have fluid intake of atleast ___L per day and a caloric intake at least _____ per day
-
what are the risk factors for Buergers disease
-
a mugascan looks at what
blood flow in the heart
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