Uniquely abnormal intracavitary flow during late systole and relaxation in hypertrophic obstructive cardiomyopathy with midventricular obstruction

Hiroshi Yamanari, Hiroshi Morita, Satoshi Mouta, Satoru Sakuragi, Tohru Ohe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We describe a patient with hypertrophic cardiomyopathy who had a uniquely abnormal jet from the base to the apex during late systole and the relaxation period. This 48-year-old woman was admitted with exertional dyspnea and palpitations. Two dimensional echocardiography revealed asymmetric septal hypertrophy and a left midventricular obstruction at the level of the papillary muscles. A high-velocity ejectional jet (peak velocity 4.8 m/s) directed toward the base during systole and an abnormal jet (peak velocity 2.2 m/s) directed toward the apex during late systole and the relaxation period were demonstrated through the midventricular obstruction site using Doppler echocardiography. The peak systolic pressure gradient between the apical and the basal chamber was 91 mmHg, and the peak systolic pressure was higher in the apical chamber than in the basal chamber. However, a reverse pressure gradient was revealed between the two chambers during late systole and the relaxation period when the abnormal jet was demonstrated.

Original languageEnglish
Pages (from-to)913-915
Number of pages3
JournalClinical Cardiology
Volume19
Issue number11
Publication statusPublished - Nov 1996

Fingerprint

Systole
Hypertrophic Cardiomyopathy
Blood Pressure
Papillary Muscles
Doppler Echocardiography
Dyspnea
Hypertrophy
Echocardiography
Pressure

Keywords

  • abnormal intracavitary flow
  • hypertrophic cardiomyopathy
  • midventricular obstruction

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Uniquely abnormal intracavitary flow during late systole and relaxation in hypertrophic obstructive cardiomyopathy with midventricular obstruction. / Yamanari, Hiroshi; Morita, Hiroshi; Mouta, Satoshi; Sakuragi, Satoru; Ohe, Tohru.

In: Clinical Cardiology, Vol. 19, No. 11, 11.1996, p. 913-915.

Research output: Contribution to journalArticle

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