Cardiac Catheterization in a Patient with Obstructive Hypertrophic Cardiomyopathy and Syncope
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Cardiac Catheterization in a Patient with Obstructive Hypertrophic Cardiomyopathy and Syncope
Figure 1 – Panel A, extrinsic compression of the diagonal branch and septal branches (white arrows). Panel B, ventriculography of the right ventricle (RV) and left ventricle (LV), showing significant interventricular septal (IVS) hypertrophy during diastole and Panel C, LV outflow tract obstruction during end-systole. A 35-year-old man sought medical care for recurrent syncope episodes related ...
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A patient with hypertrophic cardiomyopathy, syncope, and frequent ventricular tachycardia was monitored during a syncopal episode. An unrecordable blood pressure and the loss of a left ventricular outflow tract murmur without evidence of arrhythmia suggested a primary haemodynamic mechanism such as reduction in left ventricular volume.
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Although faintness, syncope, and sudden death are common in hypertrophic obstructive cardiomyopathy, their cause has not been well documented. The occurrence of ventricular asystole causing syncope after exercise is described in one patient. The elucidation of the disturbance of rhythm may, therefore, be ofgreat importance, as sudden death may be avoided in these patients by the prophylactic us...
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A double apical impulse has been described as a physical sign in hypertrophic obstructive cardiomyopathy (Mounsey, 1959; Braunwald et al., 1960; Boiteau and Allenstein, 1961; Pare et al., 1961; Benchimol, Legler, and Dimond, 1963; Cohen et al., 1964; Gillam, Deliyannis, and Mounsey, 1964; Tafur, Cohen, and Levine, 1964). In this study we have used the impulse cardiogram, which is an optical rec...
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ژورنال
عنوان ژورنال: Arquivos Brasileiros de Cardiologia
سال: 2017
ISSN: 0066-782X
DOI: 10.5935/abc.20170098