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Biomedical subjects

S Gavrilescu

Publications and source records attributed to S Gavrilescu.

At least 37 records · Page 2Linked to original sources
PubMed1975

Right atrium monophasic action potentials during atrial flutter and fibrillation in man.

Monophasic action potentials recorded in two patients with atrial flutter and one patient with atrial fibrillation showed a nonuniform depolarization of the right atrial wall. In each of the two patients with atrial flutter, there was a site where two separate action potential deflections were recorded for each flutter wave. It was supposed that this was the site of re-entry for a cycling wavelet subsidiary to the main flutter wave. In the patient with atrial fibrillation, three types of electric atrial activity were found: regular activity at 180 per minute similar to that found in flutter, small irregular activity at a rate of 400 per minute, and a mixed type of the former two. The significance of these findings for the mechanism of atrial flutter and fibrillation is discussed.

Action Potentials↗
PubMed1974

Ventriculo-atrial conduction associated with ventricular premature beats. Study with his bundle electrography.

In a group of eight patients with ventricular premature beats, ventriculoatrial conduction, with retrograde activation of the His bundle and the atria could be demonstrated by His bundle electrograms in four subjects. All had early ventricular premature beats with coupling indices between 210 and 350 msec. In the other four cases, concealed retrograde conduction could be demonstrated in the A-V nodal area. The ventricular ectopic beats were late, and depending upon the refractory period of the A-V node these extrasystoles were interpolated or followed by compensatory pauses.

Adult↗