Emergency Medicine EOR Exam 2024 with 100% correct answers

Dilated Cardiomyopathy: most common cause is ____. Others? - correct answer alcohol; may also be idiopathic, myocarditis, or drugs (doxorubicin) -- 1 in 3 cases of heart failure are caused by dilated cardiomyopathy What PE and EKG changes are seen with dilated cardiomyopathy? - correct answer PE: S3, JVD, crackles - possible mitral regurg EKG: nonspecific ST and T wave changes, LBBB Hypertrophic cardiomyopathy: is due to hypertrophy of the _____. PE reveals mitral regurgitation, a ____heart sound, and prominent left ventricular impulse. EKG reveals LVH - correct answer cardiac septum; S4 Restrictive cardiomyopathy: often caused by a ____process, or post-radiation or post open-heart surgery. What is the most common first symptom? - correct answer --infiltrative process - amyloidosis, sarcoidosis, and hemochromatosis -- changes in myocardium --most common first symptom is exertion intolerance and fluid retention, signs of right heart failure Atrial fibrillation - regularly irregular - the most common sustained arrhythmia in adults - what three treatments are used? - correct answer 1. rate control w BB, CCB, or digoxin 2. Anticoagulation w heparin & warfarin 3. rhy