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Echocardiographic Determination of Septal and Left Ventricular Wall Motion in the Early Hours of Acute Myocardial InfarctionFrom the Cardiac Department, Royal Victoria Hospital, Belfast, Northern Ireland Interventricular septal and left ventricular posterior wall excursions and ve locities were determined by M-mode echocardiography in the early hours of acute myocardial infarction in 43 patients. In the group with anterior in farction, including 24 patients, the systolic septal excursion (SSE), systolic sep tal velocity (SSV), diastolic septal excursion (DSE), and diastolic septal velocity (DSV) were decreased ( P < 0.001). The posterior wall excursion during iso- volumetric contraction (B-C) and the mean systolic posterior wall velocity (PWVmean) were also decreased (P < 0.02). The posterior wall excursion dur ing ejection (PWE) was not affected significantly. In the group with inferior infarction, including 19 patients, the B-C excur sion was not significantly affected, but the PWE and PWVmean were dimin ished ( P < 0.001). The opposing healthy interventricular septum showed an in creased movement-compensatory hyperactivity. These findings indicate that the acute myocardial ischemia which grossly af fects the mobility of the myocardium can be detected and determined in the early hours by M-mode echocardiography.
Angiology, Vol. 31, No. 9,
594-605 (1980) This article has been cited by other articles:
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