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Congestive HF
Question | Answer |
---|---|
Categories of CHF | Anatomic or functional Biochemical & physiological that increases myocardial workload or decreases myocardial O2 delivery. Extra cardiac factors |
Signs & Symptoms | Dyspnea, fatigue, orthopnea & paroxysmal nocturnal dyspnea, brochospasm & wheezing, crackles, hempotysis & dysphagia, pulmonary edema, JVD, gallops (S3, S4), murmurs, displaced apical pulse, hepatomegaly and peripheral edema, nocturia |
Systolic dysfunction | Most common type of heart failure Dec EF and CO Preload, contractility and afterload are all affected Think of a over stretched balloon |
Diastolic dysfunction | Inc ventricular stiffness & dec compliance Causes:HTN, ischemic CAD, aortic stenosis, infiltrative or restrictive myocardial disease |
Beta Blockers | Important in decreasing catecholamines Use cautiously in COPD and asthma |
Common Causes of HF | CAD, HTN, ETOH, idiopathic dilated cardiomyopathy |