Nicoladoni sign

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Nicoladoni sign seen in –

B. Thyrotoxicosis

C. Pericarditis
D. A V Fistula

Three most common AVFs are the –

  • Radiocephalic fistula,
  • Brachiocephalic fistula,
  • Brachial artery–to–transposed basilic vein fistula


If pressure is applied to an artery proximal to an arteriovenous fistula,

  • Swelling reduces in size,
  • Bruit and thrill disappears,
  • Pulse rate and heart rate become normal.

Nicoladoni sign – also Called Branham sign

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