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1 Department of Pharmacology, Harvard Medical School, Boston
Heart failure was produced in the heart-lung preparation of the dog by the administration of the following compounds: the central nervous system depressants, pentobarbital, chlorobutanol, paraldehyde, propazone, diphenylhydantoin, and trimethadione; and the local anesthetics, cocaine, procaine, and tetracaine. A comparison has been made of the intensity of the negative inotropic cardiac action of these compounds, and other phases of their toxic action on the heart have been described.
Submitted on September 13, 1948