It’s an Irish site. It has excellent video demonstrations of the underlying pathophysiology of ECG findings correlated with simultaneous video of ECG evolution.
Fast, narrow, regular. What is it? More difficult: what to do??
A middle-aged man with h/o asthma presented with SOB, especially with exertion. He also has positional chest pain. This started a few weeks…
Great site, I started there when I wanted to understand the basics! Try it!