Brian Elliott MD Profile picture
Boy Dad. Pulm/CC fellow. #POCUS #meded #histmed writer/researcher. Using #medicalhistory to differentiate the ritual from the rational
Sep 25, 2022 4 tweets 3 min read
First up, DON’T use Frank sign. The sign hypothesizes that a diagonal ear lobe crease signifies coronary artery disease. I’ve been meaning to post this since I saw it being promoted on Twitter. Here’s the problem #MedTwitter: Image As a diagnostic test, it is inaccurate with a +LR probably <2 and a -LR probably >0.5. These are woefully insufficient to change clinical management. The sign is very much associated with age… bit.ly/3SBuszj