Apical non-obstructive hypertrophic cardiomyopathy (Yamaguchi hypertrophy)

Case contributed by Dr Praveen Jha


A male chronic smoker presents with recurrent chest pain and dyspnea.

Patient Data

Age: 20
Gender: Male

Marked myocardial hypertrophy of left lateral ventricle is seen, with marked myocardial thickening at apex, and significant narrowing during systole.

Case Discussion

EKG of the patient showed giant negative 'T' wave, with 2-D echo features suggestive of apical HCM (also known as 'Yamaguchi's hypertrophy).

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Case information

rID: 16177
Case created: 27th Dec 2011
Last edited: 14th Jan 2016
System: Cardiac
Inclusion in quiz mode: Included

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