ECGECG Interpretation

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

68 causes of T wave, ST segment abnormalities


How often do you see an ECG that is just a little off? Maybe the T wave is flat, oddly-shaped or inverted. Maybe the ST segment is coved, very minimally-depressed or shows some J point elevation.

Top 5 MI ECG Patterns You Must Know


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

QuizQuizzes 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!

Quiz of the Week

Aortic Regurgitation

Question 1 of 32

Which of the following is NOT typically seen in patients with acute aortic regurgitation?

CardiologyCardiology Review

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

Aortic Regurgitation


Aortic regurgitation occurs when blood flows retrograde (backwards) across the aortic valve from the aorta into the left ventricle during diastole.

Mitral Regurgitation Topic Review


The normal mitral valve permits unrestricted antegrade diastolic flow from the left atrium to the left ventricle (LV) and effectively seals off the atrium from the ventricle during LV systole, allowing atrial filling from the pulmonary veins at low pressures.