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Nicoladoni-Israel-Branham sign

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A circulatory phenomenon observed in angioma racemosum of the extremities. Compression of an arteriovenous fistula causes a slowing of the heart rate – bradycardia – if there is a significant circulation through the fistula.

The phenomenon was first described by Nicoladoni in 1875, then by Israel in 1877 and Branham in 1890, and subsequently rediscovered by Wigdorowitsch in 1915.


  • A. Eckart, H. Witt:
    Das Angioma Racemosum der oberen Extremität. Der Chirurg, 1966, 37: 356-359.

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