The European Society of Cardiology (ESC) is an independent, nonprofit organisation aiming to reduce the burden of cardiovascular disease.

Learn clinical ECG interpretation with the most comprehensive online book and course. Over 400 pages, video lectures, ECG quiz and more. Covers pathophysiology, electrophysiology, ECG criteria and clinical management. Perfect for students, physicians, PAs, paramedics, EMTs, researchers. Master the ECG today!

ARDMS is an independent, not-for-profit organization that administers examinations and awards to qualified ultrasound professionals.

Fastest Thoracic Insight Engine

The American College of Emergency Physicians promotes the highest quality of emergency care and is the leading advocate for emergency physicians, their patients, and the public.

American Academy of Family Physicians (AAFP) represents 128,300 family physicians, residents, & students, providing advocacy, education, patient & practice resources.

Deliver exceptional care. Thrive in every phase of your career. Have a voice in the future of medicine. Through ACR®, you can do it all.

Enhancing Patient Care and Safety Through Education, Research and Advocacy.