Calcium Channel Blockers (Antianginal)

Question 1

Medications

Answer 1

• Amlodipine
• Diltiazem
• Nicardipine
• Nifedipine
• Verapamil

Question 2

Action

Answer 2

-Inhibit the movement of calcium ions across the membranes of myocardial and arterial muscle cells, altering the action potential and blocking muscle cell contraction

Question 3

Indications

Answer 3

-Prinzmetal’s angina

Question 4

Contraindications

Answer 4

• Allergy
• Heart block or sick sinus syndrome
• Renal and hepatic dysfunction
• Pregnancy/lactation

Question 5

Adverse effects

Answer 5

• Hypotension
• Cardiac arrhythmias
• GI upset
• Skin reactions
• Headache

Question 6

Drug-Drug interactions

Answer 6

• Cyclosporine
• Digoxin
• Vary with each drug

Question 7

Assessment

Answer 7

• History: check for any contraindications
• Physical: skin, complaint of pain, including onset, duration, intensity, and location, and measures used to relieve pain. VS, cardiopulmonary status, RR

Question 8

Nursing Diagnoses

Answer 8

• Decreased CO r/t hypotension and vasodilation
• Ineffective tissue perfusion r/t hypotension or change in CO
• Deficient knowledge

Question 9

Implementation

Answer 9

• Monitor patient’s BP, cardiac rhythm, and CO closely
• If a patient is on a long-term therapy, regularly monitor BP and cardiac rhythm
• Provide pt teaching

Question 10

Evaluation

Answer 10

• Evaluation patient response to the drug (alleviation of signs and symptoms of heart failure)
• Monitor for adverse effects
• Evaluate the compliance with the regimen
• Evaluate the effectiveness of the teaching plan