NSG 221 Herzing University -NSG 221- HF questions well answered graded A+

NSG 221- HF heart failure (HF) - correct answer the inability of the heart to pump sufficiently blood to meet the needs of the tissues for oxygen and nutrients myocardial disease in which there is a problem with the contraction of the heart (systolic failure) or filling of the heart (diastolic failure) some cases are reversible most is a progressive, lifelong disorder characterized by fluid overload or inadequate tissue perfusion managed with lifestyle modifications & drugs pathophys - correct answer a decrease in CO that results in S/S fo HF (SOB, edema, fatigue) depends where the back up is for the signs and symptoms but goes through same physiologal process increase myocardial contractility increase cardiac workload cell stretching compensatory hypertrophy & dilation RAAS actication va & water retention activation of norepinephrine & ANP tachycardia