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British Journal of Clinical Pharmacology 1979-Feb

Haemodynamic and electrocardiographic effects of intravenous disopyramide (rythmodan) following acute myocardial infarction.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Sábháiltear an nasc chuig an gearrthaisce
G J Davies
P K Marrott
J R Muir

Keywords

Coimriú

1 The haemodynamic and electrocardiographic effects of intravenous disopyramide were studied in fifteen patients with acute myocardial infarction. 2 Five minutes after drug injection a rise in heart rate, aortic mean and diastolic pressures and systemic vascular resistence was noted which persisted for at least 30 min. A small increase in pulmonary arterial diastolic pressure (mean = 1.5 mm Hg) occurred at 5 min only and no significant change of cardiac output was found throughout the period of the study (1 h). 3 Surface electrocardiograms revealed transient prolongation of the P-R interval and a sustained increase in the QTc interval. 4 The haemodynamic changes suggest an anticholinergic effect of the drug. There was no definite evidence of a negative inotropic effect in this study, however, these peripheral haemodynamic measurements might not have revealed a modest negative inotropic effect. 5 The electrocardiographic changes are similar to those previously reported in normals and in patients without acute myocardial infarction.

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