With the aid of a standardized method basing on a report of Salazar (1961) coronary thromboses in pigs were produced by means of electric induction without opening the chest. 12 of 13 pigs showed thromboses in coronary arteries, in 8 animals with embolization of the thrombotic material. At the sametime in 8 pigs a myocardial infarction could be registered. The significance of these experiments discussed.

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