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Biomedical subjects

F Cherrier

Publications and source records attributed to F Cherrier.

216 records · Page 12Linked to original sources
PubMedDate not supplied

[Infarction of the right ventricle. Contribution of two-dimensional echocardiography].

This study, based on 39 cases, confirms the value of two-dimensional echocardiography in the diagnosis of right ventricular infarction during the acute phase. This diagnosis is confirmed by the presence of abnormalities of the segmental kinetics always present in the inferior wall and less frequently in the anterior wall. The inferior part of the septum is affected in two thirds of cases. Right ventricular dilation is frequently observed, but is not constant. Two-dimensional echocardiography has a diagnostic sensitivity similar to that of isotope ventriculography, but greater than that of haemodynamic investigations. Finally, apart from the easy demonstration of complications (tricuspid incompetence, septal rupture, intracardiac thrombosis), two dimensional echocardiography can be used to evaluate right ventricular function.

Cardiomegaly↗
PubMedDate not supplied

[Short PR-normal QRS syndrome, pre-excitation syndrome or a variant of normal conduction?].

An electrophysiological exploration was carried out in 48 patients presenting a syndrome short PR-small QRS (group I), compared to a reference group of 537 patients who did not present this abnormality and had no previous history of Bouveret's tachycardia (group II). The most remarkable abnormality in group I is an acceleration of the anterograde nodal conduction with a Wenckebach point beyond 200/min, significantly more frequent than in group II. The retrograde conduction is also excellent in group I, but without significant difference in comparison to patients from group II who have an accelerated anterograde conduction. The risk of triggering a supraventricular tachycardia is not statistically more important in group I than in group II. However, an accelerated nodal conduction presents an increased risk of triggering a supraventricular tachycardia, in group I as well as in group II. It is therefore concluded that the syndrome short PR-small QRS is, in the large majority of cases, only an aspect of the syndrome of accelerated nodal conduction, a variant of normal conduction. It is only in a few rare observations that it can be ascribed to the probable presence of pre-excitation fibers: 2 cases out of 48 in this series.

Electrocardiography↗