Drugs CHF 2 Flashcards
Used in CHF - especially with a fib
Decrease ventricle rate in a flutter and a fib
Digoxin
Can cause arrhythmias, GI probs, visual probs, and CNS probs
Digoxin
Hypokalemia _______ digoxin toxicity by ______ Na/K ATPase
Enhances
Inhibiting
Decreased renal function _____ digoxin toxicity because there is ___ clearance
Enhances
Decreased
Diuretics that cause hypokalemia __________ digoxin toxicity
Increase
Cholestyramine and colestipol ______ digoxin toxicity
Decrease
Tx of digoxin toxicity
Discontinue
Adjust K levels
Administer digoxin immune fab fragments
Treat arrhythmias
Selective ^ contractility relative to HR
Given IV for acute CHF
Dobutamine
Vasodilate (D1 agonist)
+ ionotropic
IV for treatment acute CHF
Dopamine
⬇️ LVEDP and control congestion
Thiazides and loops
Decreases detrimental remodeling and mortality in CHF
Spironolactone
Increase contractility and CO
Decrease HR, O2 demand, sympathetic tone, TPR, venous pressure, and heart size
Diuresis
Digoxin and other + ionotropic drugs