acute HF - Answers -heart muscle weakens and enlarges
-loses ability to pump blood adequately
-compensatory mechanisms fail
-lungs/periphery become congested
R sided heart failure - Answers blood backs up in periphery
-peripheral edema & weight gain
L sided heart failure - Answers blood backs up into lungs
-pulmonary edema, shortness of breath, dyspnea, cough
cardiomegaly is common with - Answers heart failure
heart failure nonpharmacologic tx - Answers -limit salt and saturated fat intake (limit to 2g/1tsp/day)
-limit/avoid alcohol intake (avoid/1 drink/day)
-stop smoking
-perform mild exercise
-fluid intake (may be dec)
Digoxin class - Answers cardiac glycoside
digoxin use - Answers HF, a-fib (oral/IV admin)
digoxin action - Answers inhibits Na/K+ ATPase; inc cardiac contractility, CO and tissue perfusion
digoxin side effects/adverse effects - Answers hypokalemia, blurred/yellow vision, green/yellow halos
w toxicity
Digoxin contraindications - Answers V-fib, hypokalemia
caution w/ acute MI, AV block, HTN, older adults
digoxin drug interactions - Answers -Diuretics and cortisone: inc risk for toxicity (diuretics may cause
hypokalemia)
-Antacids: dec digoxin absorption
digoxin CAM interactions - Answers -Ginseng: inc digitalis levels
-St. John's wort and psyllium: dec absorption
-Hawthorn: inc effects
-Licorice, aloe, ephedra: inc risk of toxicity
digoxin interventions - Answers -assess apical pulse before administering; DON'T ADMINISTER IF HR
<60bpm
-advise client to eat foods high in K+
Antidote for digoxin toxicity - Answers digoxin immune FAB
digoxin therapeutic serum level - Answers 0.5-1ng/mL
digoxin effects on heart muscle - Answers -inc. myocardial contractility and CO
-dec. HR and conduction
angina - Answers acute cardiac pain caused by inadequate blood flow to myocardium
antianginal drugs - Answers -nitrates
-beta blockers
-Ca channel blockers
nitroglycerin class - Answers antianginal (Nitrate)
nitroglycerin uses - Answers control angina, acute MI and HF
nitroglycerin action - Answers dec myocardial demand for O2 consumption (vasodilator)
Nitroglycerin Contraindications - Answers inc intracranial pressure; heat and light dec potency of
drug. keep in dark bottle
nitroglycerin routes of administration - Answers -SL spray: 1-3min onset. space out over 5mins and
call 911 before taking 2nd dose
-Topical cream: wipe off old cream 1st (4-8hr duration)
-Transdermal: leave off for 12hrs to give break
nitroglycerin side effects/adverse effects - Answers CNS effects, syncope, tolerance, GI distress,
circulatory collapse
nitroglycerin drug interactions - Answers -alcohol, beta blockers, Ca channel blockers,
antihypertensives, Aspirin, benzos, vasodilators: inc effect
-heparin: dec effect
nitroglycerin CAM interactions - Answers -Hawthorn: inc. levels
nitroglycerin interventions - Answers -for SL spray, call 911 if 1st dose doesn't work
, -proper storage of tabs
-administer SL tab if chest pain occurs
Atenolol class - Answers beta 1 adrenergic blocker
atenolol use - Answers tx of hypertension, prophylaxis, and acute MI
atenolol action - Answers blocks beta 1 adrenergic receptor sites (NE and Epinephrine), depress SNS,
suppress RAAS, dec workload and O2 demands of heart
what ethnicity may beta blockers not work for - Answers African Americans (unless paired with
diuretics)
Atenolol contraindications - Answers sinus bradycardia, heart block, pulm edema, bronchospasm,
pregnancy
atenolol drug interactions - Answers -Atropine/anticholinergics: inc absorption
-NSAIDs: dec effects
-Insulin and sulfonylureas: inc risk of hypoglycemia
Atenolol side effects/adverse effects - Answers ED, CNS effects, GI distress, cool extremities,
hypotension, bradycardia, dyspnea, bronchospasm, thrombocytopenia
atenolol interventions - Answers -teach pt to not stop taking abruptly to avoid rebound HTN (wean
off 1-2 weeks)
-warn male clients of dose related ED
-assist with ambulation (ortho hypotension)
Diltiazem class - Answers calcium channel blocker
diltiazem use - Answers tx hypertension and atrial dysrhythmias (brings more O2 to myocardium and
dec cardiac workload)
diltiazem action - Answers inhibits transport of Ca ions to myocardial cells
Diltiazem Contraindications - Answers hypotension, AV heart block, bleeding aneurysm
diltiazem drug interactions - Answers -Digoxin/beta blockers: partial/complete heart block, HF, or
dysrhythmias
-Digoxin: inc digoxin levels
-Beta blockers/antihypertensives: cause hypotension
diltiazem CAM interactions - Answers -St. Johns and ginseng: dec effectiveness
-Garlic and hawthorn: inc hypotensive effect
diltiazem side effects - Answers CNS effects, edema of ankles/feet, bradycardia, hypotension
abrupt withdrawal may cause acute angina episode
diltiazem overdose - Answers -atropine reverses bradycardia
-CaCl can reverse hypotension or heart block
diltiazem interventions - Answers -avoid use of extended release in elderly (promotes fluid retention
and exacerbates HF)
-Monitor BP and HR and EKG
-Monitor digoxin levels
Hydrochlorothiazide class - Answers thiazide
hydrochlorothiazide uses - Answers inc urine output and tx hypertension, edema, HF, nephrotic
syndrome, and ascites
hydrochlorothiazide action - Answers excretion of Na and H2O by inhibiting Na reabsorption in distal
tubule. promotes excretion of Na, Cl and H2O. dec BP and edema
hydrochlorothiazide contraindications - Answers renal failure, hypersensitivity
caution w/ gout and hypotension
hydrochlorothiazide side effects/adverse effects - Answers CNS and GI effects, hypotension,
hyperglycemia, photosensitivity, blurred vision, gout, Steven Johnson
hydrochlorothiazide drug interactions - Answers -inc digitalis toxicity if hypokalemia present
-Aspirin: inc renal toxicity
-Steroids: inc K+ loss
-Antidiabetics: dec effects
-NSAIDs: dec absorption of thiazides
hydrochlorothiazide CAM interactions - Answers -Aloe: dec serum K+ level
-Gingko: inc BP
-Licorice: inc K+ loss
-Hawthorn: potentiate hypotension