ECG Challenge: What's Causing This Long Pause? An older woman visits the hospital after fainting, and telemetry shows long pauses in her heart's rhythms. What does the ECG show?

The man, who said he wasn't even a lab assistant, also openly admits that he has never performed an ECG before. Despite the ...

ECG Challenge: Sudden Palpitations and Shortness of Breath A 56-year-old patient with cardiomyopathy lands in the emergency department with shortness of breath and a rapid heart rate. What does ...