Internal Medicine COMAT Review | 100% Correct Answers | Verified | Latest 2024 Version

ECG leads representing anterior wall - V1-4 (LAD) ECG leads representing the inferior portion of the heart - II, III, and aVF (right coronary artery) ECG leads representing the lateral myocardial wall - I, AVL, V5, & V6 When should you consider immediate diagnostic coronary angiography? - order immediate diagnostic coronary angiography for a STEMI or new-onset Left BBB Another name for angioplasty... - Primary In an acute inferior wall myocardial infarction, occlusion of which coronary artery is usually implicated? - Right coronary artery Difference in sounds between COPD and pulmonary edema/interstitial lung disease. - Wheezing or rhonchi= more suggestive of COPD Crackles= more suggestive of pulmonary edema or interstitial lung disease. Most common cause of an S3 heart sound - CHF What are S3 heart sounds - S3 results from increased atrial pressure leading to increased flow rates, as seen in congestive heart failure, which is the most common cause of an S3 heart sound. causes of a mid-systolic non-radiating murmur - High output states (anemia, fever, thyrotoxicosis, pregnancy). Aortic stenosis (ejecting systolic murmur that