NURS405A Lecture Notes - Lecture 3: Atrial Tachycardia, Atrial Flutter, Atrial Fibrillation
20 Jun 2020
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Patient education: patient should report if taking any otc prescriptions and if bleeding occurs. Take aspirin with food, milk/antacids to decrease gi irritation. Must swallow whole due to swallow enteric-coated/timed-release preparations. Notify physicians if there is a constant ringing in the ears. (mosby"s nursing drug cards. Drug: vascular selective (work on arterioles)- nifedipine (adalat), amlodipine (norsvac) Cardioselective (work on heart cells)- verapamil (isoptin), diltiazem (cardiazem) Uses: used for primary and secondary stroke prevention due to their antihypertensive effect and vasodilation. Also cause negative chronotropic effect (decreased hr) and arrhythmia control. *used commonly to prevent/treat complications of vasospasm post hemorrhagic stroke* off label use to prevent thromboembolism. Mechanism of action: bind to calcium specific channels; inhibiting calcium influx into arterial smooth muscle. The resulting effect is relaxation due to no depolarization. Nursing action: common to see postural hypotension, palpitation, reflex tachycardia, edema and dizziness. Assess heart rate and blood pressure before and after.
