TITLE

THE RIGHT APEX CARDIOGRAM IN PATIENTS WITH REACTIVE PULMONARY HYPERTENSION

AUTHOR(S)
Costeas, F. R.; Kardalinos, A.
PUB. DATE
November 1971
SOURCE
Angiology;Nov1971, Vol. 22 Issue 10, p561
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The right apex cardiogram was studied in 14 patients with reactive hypertension. Reference tracings included a single load of electrocardiogram, a phonocardiogram, the left apex cardiogram and the indirect carotid pulse tracing. The patients were studied clinically and by cardiac catheterization. The right apex cardiogram was found to be abnormal. In patients with pulmonary hypertension around systemic level, the E ejection point of the right apex cardiogram (Er) coincided with the corresponding point (El) of the left apex cardiogram synchronous beginning of the right and left ventricular ejection phase). In patients with pulmonary hypertension less than the systemic, the Er point occurs before the El point by an average of 0.013 second. The time interval between the pulmonary element of the second sound and the 0 point of the right apex cardiogram (isometric relaxation phase of the right ventricle) was found to have an average of 0.084 second. This is longer than the average value of 0.053 second obtained in normal subjects by the same technique. The a wave resulting from right atrial contraction was exaggerated in all patients.
ACCESSION #
16353975

 

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