Yamaguchi syndrome

Results:
Weekly Workout September 22, 2025
Syncope with High Voltage: The Yamaguchi Pattern

52-year-old man with PMHx of hypertension presents after a witnessed syncopal episode at home. He felt lightheaded while standing to use the bathroom and briefly lost consciousness without seizure activity…

ECG STAT September 20, 2025
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…

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