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The report deals with a 27-year-old male who was standing in a tent and was injured by lightning as it struck a tree about 1.5 m away. He immediately lost consciousness and exhibited ventricular fibrillation when the emergency physician arrived. A clinical picture of hypoxaemic brain damage emerged after initially successful resuscitation. Brain death was diagnosed on the fifth day after injury. The discrete external findings (remaining arborescent skin marks) contrasted markedly with the severe thermal damage to the pectoral muscle and cardiac musculature found during the autopsy. The histological cardiac findings indicated severe acute myocardial infarction affecting virtually all parts of the myocardium.

A case of fibromuscular dysplasia of the coronary arteries in a 15-year-old boy is reported. After a quarrel involving no violence the boy suddenly suffered from ventricular fibrillation, collapsed and was initially successfully defibrillated. After 37 days of deep unconsciousness the boy died of bronchopneumonia. The cause of the ventricular fibrillation was clarified only after histological investigations. Fibromuscular dysplasia of the coronary arteries with narrowing was found, which has very occasionally been described in the literature. However, its localization in the A-V node artery, as described here, only seems to have been observed once.

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