Test 3 Cardio drug interactions Flashcards
Beta-blocker with calcium channel blocker
– Additive hypotension and bradycardia
– Negative inotropic effects
– Slowed AV conduction
Beta-blocker with calcium channel blocker decreasing intensity
– Verapamil most significant
– Diltiazem next
– Amlodipine last
What are the monitoring parameters for cardiovascular drug interactions?
- pulse rate
- blood pressure
- dizziness
- dyspnea
- lethargy / fatigue
ACE Inhibitor and potassium-sparing diuretic / calcium channel blockers
– Dyazide or spironolactone combined with enalapril, lisinopril or ramipril
– potential for hyperkalemia
– decrease in circulating aldosterone + potassium sparing diuretic
risk factors
- high dosage
- elderly
- CHF
- comorbid
- diabetes
- reduced renal flow / CKD
management of ACE Inhibitor and potassium-sparing diuretic / calcium channel blockers
- change to diuretic that we don’t have to worry about this problem in m
- monitor potassium levels within a week of starting these meds together
ARB and Potassium-sparing diuretic
– Dyazide combined with valsartan
– potential for hyperkalemia
– blockade of angiotensin II receptor (decreased aldosterone release) + potassium-sparing diuretic
management of ARB and Potassium-sparing diuretic
- change to diuretic that we don’t have to worry about this problem in m
- monitor potassium levels within a week of starting these meds together