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Questions and Answers
What is the immediate relief mechanism provided by loop diuretics in pulmonary edema?
What is the immediate relief mechanism provided by loop diuretics in pulmonary edema?
- Arterial vasoconstriction
- Reduced cardiac contractility
- Venodilation prior to diuresis (correct)
- Increased afterload
What is the primary aim of using diuretics in heart failure?
What is the primary aim of using diuretics in heart failure?
- Decreasing congestive symptoms by mobilizing edema fluid (correct)
- Inducing venodilation to reduce dyspnea
- Increasing the preload to improve cardiac muscle contraction
- Altering the basic pathology to decrease mortality
Which diuretics are recommended for heart failure due to their high ceiling diuretic effect?
Which diuretics are recommended for heart failure due to their high ceiling diuretic effect?
- Thiazide diuretics
- Potassium-sparing diuretics like spironolactone
- Osmotic diuretics like mannitol
- Loop diuretics like furosemide and bumetanide (correct)
Which diuretic is known to decrease mortality in heart failure?
Which diuretic is known to decrease mortality in heart failure?
What is the primary function of inotropic drugs in CHF?
What is the primary function of inotropic drugs in CHF?
What is the primary mechanism of action of dobutamine in acute CHF?
What is the primary mechanism of action of dobutamine in acute CHF?
At what dose does dopamine stimulate only dopamine receptors leading to renal vasodilation?
At what dose does dopamine stimulate only dopamine receptors leading to renal vasodilation?
Which statement best describes the action of cardiac glycosides like digoxin?
Which statement best describes the action of cardiac glycosides like digoxin?
What is the primary effect of dobutamine on the heart?
What is the primary effect of dobutamine on the heart?
What distinguishes cardiac glycosides from other inotropes?
What distinguishes cardiac glycosides from other inotropes?
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