Haemodynamic effects of angiographic contrast material in man. A beat-by-beat analysis.

Information concerning the circulatory effects of angiographic contrast material during the early beats after injection in man is critical to the validity of angiographic methods for evaluating left ventricular performance. Accordingly, we assessed the haemodynamic effect of contrast medium during the first io beats after left atrial injection in 5 subjects without left ventricular disease and in 8 patients with left ventricular myocardial disease, and after aortic root injection in 8 patients with aortic insufficiency.

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