Calcium Channel Blockers Flashcards
Calcium Channel Blockers: Medication Name/ Ending
Amlodipine (Norvasc)
Nifedipine (Procardia)
Verapamil (Isospin/Calan)
Calcium Channel Blockers: Therapeutic Class
antihypertensives
Calcium Channel Blockers: Pharmacological Class
calcium channel blocker
Calcium Channel Blockers: Pharmacological Action
inhibit calcium ion influx across cardiac and smooth muscle cells
dilate coronary arteries and arterioles
decrease BP and myocardial oxygen demand
slow SA nodes
Calcium Channel Blockers: Therapeutic Uses
decrease blood pressure
reduce chest pain
reduce heart rate
convert cardiac dysrhythmias
Calcium Channel Blockers: Contraindications
cardiogenic shock
certain dysrhythmia
hypotension
Calcium Channel Blockers: Usual Dosages
depends on medication
can be given orally, IV, or infusions
Calcium Channel Blockers: Administration
monitor for chest pain
monitor for s/Sx of HF (peripheral edema, SOB)
monitor BP frequently
Don’t give with grapefruit juice
Calcium Channel Blockers: Patient Teaching
dont crush/chew extended release capsules
dont give with grapefruit juice
change positions slowly to prevent fluctuation in BP