Aortic Stenosis: Hemodynamically significant outflow obstruction from aortic valve narrowing, causing progressive left ventricular pressure overload. The classic symptomatic triad (dyspnea, angina, syncope) heralds critical disease. Key Examination Findings: · Harsh crescendo-decrescendo systolic murmur · Pulsus parvus et tardus · Sustained PMI with narrow pulse pressure Management: Symptomatic severe AS requires mechanical intervention (SAVR/TAVR). TAVR is now first-line for most adults. Not me