Questions and Answers
Which of the following are trade names for Verapamil? (Select all that apply)
What is the classification of Verapamil?
Class IV Antiarrhythmic (Calcium Channel Blocker), Antihypertensive
What is the mechanism of action (MOA) of Verapamil?
- Inhibits calcium influx across cell membranes. 2. Relaxes smooth muscles in vascular wall. 3. Decreases SA and AV node conduction. 4. Decreases peripheral vascular resistance.
Indications for Verapamil include SVT/PSVT refractory to ______.
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Which of the following are indications for Verapamil? (Select all that apply)
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Which of the following are contraindications for Verapamil? (Select all that apply)
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Study Notes
Verapamil Overview
- Trade names include Isoptin, Calan, and Veralan.
Classification
- Categorized as a Class IV Antiarrhythmic and a Calcium Channel Blocker.
- Functions as an Antihypertensive agent.
Mechanism of Action (MOA)
- Inhibits calcium influx across cell membranes, affecting cardiac and smooth muscle.
- Relaxes smooth muscles in vascular walls, promoting vasodilation.
- Slows conduction through the SA and AV nodes, reducing heart rate.
- Lowers peripheral vascular resistance, contributing to blood pressure reduction.
Indications
- Effective for Supraventricular Tachycardia (SVT) and Paroxysmal Supraventricular Tachycardia (PSVT) that do not respond to Adenosine.
- Used to manage Atrial Fibrillation (A-fib) and Atrial Flutter (A-flutter).
- Prescribed for the treatment of Hypertension.
- Alleviates Angina symptoms by improving coronary blood flow.
Contraindications
- Not suitable for patients with Severe Congestive Heart Failure (CHF).
- Avoid in cases of Sick Sinus Syndrome and significant heart blocks (second and third degree).
- Use caution in patients with hypotension (low blood pressure).
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Description
Test your knowledge on Verapamil, including its trade names, classification, and mechanism of action. This quiz focuses on important pharmacological properties of this calcium channel blocker. Perfect for students in pharmacology or medicine.
