ECG Interpretation

Develop interpretation skills in ECG Basics, analyze 12-lead tracings in ECG Library, and advance proficiency in ECG Reviews.

Sinus Bradycardia ECG Review

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Sinus bradycardia occurs on an ECG when there is a normal upright P wave in lead II ― sinus P wave ― preceding every QRS complex with a ventricular rate of less than 60 beats per minute.

Top 5 MI ECG Patterns You Must Know

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Identifying an acute myocardial infarction on the 12-lead ECG is the most important thing you can learn in ECG interpretation.

Quizzes and Cases

Test your cardiology knowledge with Quizzes and Cases on a variety of topics including Atrial Fibrillation, Coronary Artery Disease, ECG Interpretation and more. Choose Study Mode to review the answers as you go; or choose Test Mode to challenge your fastest time. You can even build your own custom quizzes!

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Quiz of the Week

Coronary Artery Disease - Stable Angina

Question 1 of 26

A coronary artery disease patient with documented aspirin hypersensitivity can:

Cardiology Review

Broaden your understanding with hundreds of Topic Reviews, Facts and Pearls on important topics in cardiology, and Mnemonics to learn about cardiology.

Carey Coombs Murmur

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The Carey Coombs Murmur occurs during acute rheumatic fever. Mitral valvulitis can occur causing thickening of the leaflets.

Mitral Stenosis Topic Review

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The mitral valve, so named because of its similarity to a bishop’s miter, has five important structural elements: 1) the mitral annulus, 2) the mitral valve leaflets, 3) the commissures, 4) chordae tendineae and 5) papillary muscles.