Carlos Amorena

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In most species androgens shorten the cardiac action potential and reduce the risk of afterdepolarizations. Despite the central role of the rat model in physiological studies, the effects of androgens on the rat heart are still inconclusive. We therefore performed electrophysiological studies on the perfused rat right ventricular free wall. We found a(More)
1. Counter movements of K+ and H+ across cell membranes were studied in nephrectomized KCl-loaded rats. In one group of animals, the movements of K+ and H+ were determined during and after a KCl load, and in another group, amiloride was used in order to evaluate Na+ participation in K+/H+ exchange. 2. After a KCl load at constant PCO2, 79% of infused K+(More)
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