PMID: 697456May 1, 1978Paper

Disorders of the right intraventricular conduction in chronic pulmonary hypertensive cardiopathy

Archivos del Instituto de Cardiología de México
J VargasL Salinas

Abstract

Disorders of the right intraventricular conduction were analyzed in cases of chronic pulmonary hypertensive cardiopathy (C.P.H.C.), diagnosed on basis of the anatomic data. The series studied here (40 cases) was obtained from the review of 3,000 reports of autopsies at the Instituto Nacional de Cardiología de México. Thickness of the free right ventricular wall, thickness of the interventricular septum at three levels, thickness of Wolf's spur and the circumference of the 4 valvular rings, were determined in each heart. Haemodynamic studies and respiratory function tests were revised in those cases in which they had been practiced. Electrocardiographic study essentially analyzes the time of onset of intrinsicoid deflection as well as the morphology of ventricular complexes in the unipolar leads. In 37 cases (92.5%), a disturbance of the right intraventricular conduction was present. R.B.B.B. was observed in 29 cases (72.5%): 12 of minor degree, 19 of intermediate and 1 of advanced degree. Right peripheral block was diagnosed in 8 cases (20%): anterior type in 2 cases (5%); posterior type in 6 cases (15%). In the cases with R.B.B.B., the anatomic data of right ventricular hypertrophy were predominant; in those with R.A.S.B., ana...Continue Reading

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