USMLE-Rx Express Video of the Week: Hereditary Channelopathies

Our Express Video of the Week covers Hereditary Channelopathies from the Pathology section of the Cardiology chapter in First Aid for the USMLE Step 1. If you want to sample more of the over 80 hours of video we deliver in USMLE-Rx, sign up for our free 5-day trial: usmle-rx.com.