Podcast
Questions and Answers
Which drug inhibits the sodium-potassium ATPase pump, leading to increased intracellular sodium levels?
Which drug inhibits the sodium-potassium ATPase pump, leading to increased intracellular sodium levels?
- Levosimendan
- Milrinone
- Digoxin (correct)
- Dobutamine
What is the mechanism of action of Dobutamine that enhances myocardial contractility?
What is the mechanism of action of Dobutamine that enhances myocardial contractility?
- Sensitizing cardiac myofilaments to calcium
- Increasing intracellular cyclic AMP levels
- Stimulating beta-1 adrenergic receptors (correct)
- Inhibiting phosphodiesterase III
Which drug inhibits phosphodiesterase III, leading to increased intracellular cyclic AMP levels?
Which drug inhibits phosphodiesterase III, leading to increased intracellular cyclic AMP levels?
- Digoxin
- Milrinone (correct)
- Dobutamine
- Levosimendan
How does Levosimendan increase myocardial contractility without increasing intracellular calcium levels?
How does Levosimendan increase myocardial contractility without increasing intracellular calcium levels?
Which side effect is associated with Digoxin use?
Which side effect is associated with Digoxin use?
Which drug is historically used but less common now among the mentioned medications?
Which drug is historically used but less common now among the mentioned medications?
How do calcium channel blockers affect the heart?
How do calcium channel blockers affect the heart?
Which medication inhibits the late sodium current in cardiac cells?
Which medication inhibits the late sodium current in cardiac cells?
What is the primary purpose of cardiotonic/inotropic drugs?
What is the primary purpose of cardiotonic/inotropic drugs?
Which side effect is commonly associated with anti-angina drugs?
Which side effect is commonly associated with anti-angina drugs?
How do cardiotonic/inotropic drugs improve heart function?
How do cardiotonic/inotropic drugs improve heart function?
Which of the following medications works by increasing intracellular calcium levels?
Which of the following medications works by increasing intracellular calcium levels?
What is the primary mechanism of action of cardiac glycosides?
What is the primary mechanism of action of cardiac glycosides?
Which common side effect is associated with vasodilators?
Which common side effect is associated with vasodilators?
What is the main function of antiarrhythmics?
What is the main function of antiarrhythmics?
Which type of drug class is known to lower blood pressure through various mechanisms?
Which type of drug class is known to lower blood pressure through various mechanisms?
What is a potential side effect of some antiarrhythmics like amiodarone with long-term use?
What is a potential side effect of some antiarrhythmics like amiodarone with long-term use?
What effect do ACE inhibitors and ARBs have on potassium levels, especially in individuals with kidney problems?
What effect do ACE inhibitors and ARBs have on potassium levels, especially in individuals with kidney problems?
