Open AccessUniquely abnormal intracavitary row during late systole and relaxation in hypertrophic obstructive cardiomyopathy with midventricular obstruction
Author(s) -
Yamanari Hiroshi,
Morita Hiroshi,
Mouta Satoshi,
Sakuragi Satoru,
Ohe Tohru
Publication year - 1996
Publication title -
clinical cardiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.263
H-Index - 72
eISSN - 1932-8737
pISSN - 0160-9289
DOI - 10.1002/clc.4960191116
Subject(s) - systole , medicine , cardiology , apex (geometry) , hypertrophic cardiomyopathy , cardiac cycle , basal (medicine) , diastole , blood pressure , anatomy , insulin
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.