NURS 371 Lecture Notes - Lecture 5: Dilated Cardiomyopathy, Mitral Valve, Ventricular Assist Device
Document Summary
N371: cardiac (part 2) & peripheral vascular disorders. Structural cardiac disorders: valvular diseases left sided valves are of most concern a. i. 1. a. i. 2. Valve closes so blood doesn"t back up. Stenosis: narrowing of valve orifice or failure of valve to open a. i. 3. May see dyspnea, fatigue, weakness, cough (pulmonary symptoms from backflow). Diagnostics- assessment: systolic murmur, may have irregular pulse. Diagnostic tests- echo or tee for diagnosis a. iii. Mitral stenosis- leaflets can become stiff- heart works hard to pump blood out- causes hypertrophy of affected chamber (with. Ms, la) a. iii. 1. s/s- dyspnea on exertion, hemoptysis, cough, orthopnea, palpatations, paroxysmal nocturnal dyspnea, respiratory infections a. iii. 2. Diagnostics- weak pulse, diastolic murmur, dysrhythmias, echo, ecg, or cath to diagnose. Mitral valve is located on the left side, between the left atrium and ventricle a. iv. Aortic regurgitation- same as mitral regurg, except dilation is of the left ventricle a. iv. 1. s/s- usually asymptomatic, may have forceful heartbeat (waterhammer pulse), may progress to hf a. iv. 2.
