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PQRSTory

Launching soon

Every ECG tells a story. Learn to read it.

The pattern in minutes. The mechanism when you want it. Interactive ECG lessons with guided audio, written by practising cardiac electrophysiologists.

Normal sinus rhythm

Illustration of an ECG rhythm strip, lead II: normal sinus rhythm at about 70 beats per minute, preceded by a 1 millivolt calibration pulse.II
Illustration · Lead II25 mm/s · 10 mm/mV

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