Question

1) What are some examples of calcium channel blockers?

2) What are nursing implications for calcium channel blockers?

Answer 1

1) What are some examples of calcium channel blockers?
Ans) Verapamil—a phenyl alkylamine, hydrophilic papaverine congener.
Nifedipine—a dihydropyridine (lipophilic).
Diltiazem—a hydrophilic benzothiazepine.

2) What are nursing implications for calcium channel blockers?
Ans) CCBs is to inhibit Ca2+ mediated slow channel component of action potential (AP) in smooth/ cardiac muscle cell

(i) Smooth muscle (especially vascular) relaxation.
(ii) Negative chronotropic, inotropicanddromotropic action on heart.