NURS 471 Lecture Notes - Lecture 4: Lidocaine, Vasopressin, Phenylephrine
Document Summary
Hf, usually combined with other diuretics to help with k loss used to treat angina, dysrhythmias. Lasix beta adrenergic blockade in myocardium and electrical conduction system. decreases hr, contractility. Sr/xl tabs, do not d/c on own (rebound and mi can occur) Must watch levels, don"t start unless have a k supplement. Monitor i&o, assess lung sounds/ edema/ weight for improvement watch k levels (hyperkalemia can occur), bp can cause bradycardia, check radially and hold if hr. Hf, may supress function too much, watch for edema, fatigue, Sbp, can cause orthostatic, dizziness, fainting, watch with use in asthmatics- contraindicated. Ace-i captopril (capoten) enalapril (vasotec) lisinopril (zesteril) amlodipine (norvasc) Ccb diltiazem (cardizem) nifedipine (procardia) verapamil (calan sr) nicardipine (cardene) blocks production of angiotension ii vasodilitation excretion of sodium and water by effecting kidneys prevents changes that can occur in the heart and vessels by angiotensin ii. Mi (decreases mortality and risk of hf), some used for prevention of.
