A study of the metabolism of phosphorus compounds in the heart, with the aid of radioactive phosphorus
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The results of study of the rapidity of metabolism of adenosinetriphosphate (ATP) and phosphocreatine (PC) in the heart in stimulation of Pavlov reinforcing nerve are presented. Experiments were performed with the aid of radioactive phosphorus both on healthy dogs and in animals with myocardial infarction. Increased heart contractions caused by this nerve in healthy dogs are associated with a more rapid metabolism of ATP and PC in the cardiac muscle. The effect of stimulation of reinforcing nerve in myocardial infarction is less pronounced. This is probably connected with the fact that the metabolism of ATP and PC in the heart is not accelerated but, on the contrary, delayed in these conditions.
KeywordsPublic Health Phosphorus Myocardial Infarction Cardiac Muscle Phosphocreatine
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