Quincke sign is a medical sign seen in aortic regurgitation. It is seen as a pulsation at the nail bed when the nail tip is lightly pressed. It may also be seen on the lips, hand or face and may be more easily seen in the nail when a light is shone through the finger tip.
- Sorathia, Aqsa Z.; Soos, Michael P. (2022). "Quincke Sign". StatPearls. StatPearls Publishing. Archived from the original on 2021-04-19. Retrieved 2022-11-02.
- Sarkar, Achyut (2021). "6. Aortic regurgitation". Clinical Cardiology: A Disease Specific Approach. New Delhi: Jaypee Brothers Medical Publishers. p. 96. ISBN 978-93-89776-04-1. Archived from the original on 2022-11-02. Retrieved 2022-11-02.