What is the role of photoplethysmography in the diagnosis of venous insufficiency?

Updated: Oct 22, 2018
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
  • Print

Photoplethysmography uses infrared light to assess capillary filling during exercise. Increased capillary filling is indicative of venous reflux and, consequently, of incompetent veins.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!