Structural
Results:
Left Ventricular Hypertrophy (LVH)
Key Points: LVH reflects increased left ventricular muscle mass, usually from chronic pressure overload. Common causes include longstanding hypertension and aortic stenosis. ECG diagnosis is imperfect. Voltage criteria are specific…
STEMI vs LV Aneurysm: DDx
Key Points: LV aneurysm pattern is a post MI scar pattern with persistent ST elevation in the prior infarct territory, usually with pathologic Q waves and a stable, non evolving…
Yamaguchi Pattern: Apical Hypertrophic Cardiomyopathy (ApHCM)
Key Points Definition and mechanics: Hypertrophic cardiomyopathy variant with maximal hypertrophy at the LV apex (apical HCM, ApHCM). LVOT is often not obstructed at rest; some patients have mid-ventricular obstruction…
Right Ventricular Hypertrophy (RVH)
Key Points Definition: Chronic pressure/volume overload → thickened RV (pulm HTN, congenital lesions, pulmonary disease). ECG signature: Rightward axis, dominant R in V1, deep S in V5–V6, with possible right-sided…
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