Calcium Channel Blockers Flashcards
(25 cards)
What is the primary action of calcium channel blockers?
They inhibit the influx of calcium ions into cardiac and smooth muscle cells.
True or False: Calcium channel blockers can be used to treat hypertension.
True
Fill in the blank: Calcium channel blockers are commonly prescribed for __________.
angina and hypertension
What are two common examples of calcium channel blockers?
Amlodipine and Diltiazem
What is the usual oral dosage range for Amlodipine?
2.5 to 10 mg once daily
What adverse effect is commonly associated with calcium channel blockers?
Peripheral edema
True or False: Calcium channel blockers can cause constipation.
True
What is a major interaction to be cautious of when administering calcium channel blockers?
They can interact with other antihypertensive medications.
What is the recommended route of administration for most calcium channel blockers?
Oral
Short answer: Name a nursing consideration when administering calcium channel blockers.
Monitor blood pressure and heart rate.
Fill in the blank: Calcium channel blockers can lead to __________ if used in combination with beta-blockers.
bradycardia
What is the action of calcium channel blockers on blood vessels?
They cause vasodilation.
True or False: Calcium channel blockers are contraindicated in patients with heart failure.
True
What is the mechanism of action for calcium channel blockers?
They block L-type calcium channels, reducing calcium entry.
What is the typical dosage for Diltiazem in treating hypertension?
30 to 120 mg three times daily
Multiple choice: Which of the following is NOT a common side effect of calcium channel blockers? A) Dizziness B) Nausea C) Rash D) Increased appetite
D) Increased appetite
What patient population should calcium channel blockers be used cautiously in?
Patients with hepatic impairment.
Fill in the blank: Calcium channel blockers should be used with caution in patients taking __________.
CYP3A4 inhibitors
Short answer: What is an important nursing action before administering calcium channel blockers?
Assess for hypotension.
What is the effect of calcium channel blockers on heart rate?
They can decrease heart rate.
True or False: All calcium channel blockers have the same side effects.
False
What should be monitored regularly during treatment with calcium channel blockers?
Kidney function and electrolytes.
What is the route of administration for intravenous calcium channel blockers?
IV bolus or infusion
Fill in the blank: Patients should be advised to __________ when taking calcium channel blockers.
avoid grapefruit juice
