STUDIES ON THE CORONARY CIRCULATION. VII. THE REMARKABLE RESERVE POWER OF THE HEART

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Article1 September 1949STUDIES ON THE CORONARY CIRCULATION. VII. THE REMARKABLE RESERVE POWER OF THE HEARTELIOT CORDAY, M.D., RAMON SPRITZLER, M.D., MYRON PRINZMETAL, M.D.ELIOT CORDAY, M.D.Search for more papers by this author, RAMON SPRITZLER, M.D.Search for more papers by this author, MYRON PRINZMETAL, M.D.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-31-3-450 SectionsAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail ExcerptLittle is known about the reserve contractile power of the heart. This is in marked contrast to the extensive knowledge available in regard to the reserve power of other vital organs. Thus, it is known that animals can continue to live with 25 per cent of one kidney,140 per cent of one lung,220 per cent of the liver,316 per cent of the adrenal cortex,4and 6 per cent of the small intestine.5In the case of these organs, the method of investigation is technically easy. In serial experiments upon the same or successive animals, increasing portions of...Bibliography1. WRIGHT S: Applied physiology, ed. 8, 1945, Oxford Medical Publications, New York, p. 879. Google Scholar2. GOLDMAN A: Personal communication. Google Scholar3. WRIGHT S: Applied physiology, ed. 8, 1945, Oxford Medical Publications, New York, p. 746. Google Scholar4. BESTTAYLOR CHNB: Physiological basis for medical practice, ed. 4, 1945, Williams and Wilkins, Baltimore, p. 692. Google Scholar5. GERMANBROWNFOSTERGRISSEL JKHMRTTL: Massive resection of the intestine, Jr. Am. Med. Assoc., 1947, cxxxv, 918. Google Scholar6. PRINZMETAL M: Studies on the coronary circulation. VI. Loss of myocardial contractility after coronary artery occlusion, Ann. Int. Med., 1949, xxxi, 429-449. Google Scholar7. PRINZMETAL M: Studies on the coronary circulation. III. Collateral circulation of beating human and dog hearts with coronary occlusion, Am. Heart Jr., 1948, xxxv, 689. CrossrefGoogle Scholar8. PRINZMETAL M: Studies on the coronary circulation. IV. The effect of shock on the heart and its treatment, Am. Heart Jr., to be published. Google Scholar9. THOMASGARLAND SFLH: Roentgen cardiac diagnosis, Calif. Med., 1948, lxviii, 126. Google Scholar10. LEARYWEARN TJT: Two cases of complete occlusion of both coronary orifices, Am. Heart Jr., 1929, v, 412. Google Scholar This content is PDF only. To continue reading please click on the PDF icon. Author, Article, and Disclosure InformationAffiliations: Los Angeles, California*Read before: The III Interamerican Cardiological Congress, Chicago, June 17, 1948; The American Heart Association, Chicago, June 19, 1948.Motion pictures of these experiments were shown before: The III Interamerican Cardiological Congress, Chicago, June 17, 1948; The American Heart Association, Chicago, June 19, 1948; The American College of Physicians, San Francisco, April 23, 1948.From the Institute for Medical Research, Cedars of Lebanon Hospital, Los Angeles, California.Aided by grants from the Blanche May and Beaumont Trust Funds. 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