ECG Quizzes's ECG Quizzes include more than 200 full 12-lead ECG tracings with detailed explanations including links to pertinent topic reviews. All possible ECG findings are included in these ECG practice tests and are conveniently categorized as below.


To master ECG interpretation takes time and effort, however the ECG tutorial is designed to be concise and focused on only what you need to know, yet very thorough. Start by reading through the ECG basics and the different parts of the ECG. Once completed, be sure to read through all of the ECG criteria and review pages to learn how to diagnose specific conditions and rhythms such as myocardial infarctions and chamber hypertrophies. Then go through the 100+ practice ECG quizzes below that have detailed explanations and link to the pertinent explanation pages. Then there are ECG cases which test your ECG interpretation skills in the setting of clinical scenarios. Once completed, a thorough understanding of ECG interpretation will be attained. Keep your skills up by signing up for our ECG Blog.

The ECG quizzes on are organized as below:

Comprehensive ECG Quiz  

From basic 12-lead ECG tracings to the most bizarre expert level tracings, this ECG test is excellent for all levels of ECG interpretation skills. Nearly 200 tracings are currently included each with detailed explanations and links to relevant topic reviews for each ECG.

Expert ECG Quiz

Most challenging and unusual ECG tracings including rare electrophysiologic disorders. Even the ECG gurus of the world will be challenged by some of these tracings!

Beginner ECG Quiz

Simple findings such as the most common rhythm disorders, infarctions, blocks and chamber enlargements.

Heart Blocks ECG Quiz

AV blocks, bundle branch blocks, and sinoatrial exit blocks. Links to comprehensive reviews for all heart block topics are included to enhance the learning experience.

Atrial Arrhythmias ECG Quiz

Atrial fibrillation, atrial flutter, atrial tachycardia, varying SVTs and junctional rhythms. Every derivation of atrial arrhythmias is included with detailed explanations and links to pertinent reviews.

Ventricular Arrhythmias ECG Quiz

Rhythms originating in the ventricles such as ventricular tachycardia (monomorphic and polymorphic), ventricular fibrillation and premature ventricular contractions. Some SVT with aberrancy ECG tracings are included to help enhance the discussion of how to diagnose ventricular tachycardia. Detailed explanation are included with links to the relevant topic reviews.

Infarcts and Ischemia ECG Quiz

Anterior MI ECGs, inferior MI ECGs, posterior MI ECGs and other ischemic ECG changes. All ECGs have detailed explanations and links to relevant topic reviews. Test yourself on these ECG tracings regularly since quick diagnosis is important.

Chamber Enlargement ECG Quiz

Left and right atrial enlargements, left ventricular hypertrophy, right ventricular hypertrophy and more. Detailed explanations and links to topic reviews are included.

Miscellaneous ECG Quiz

Unusual ECG findings such as hyperkalemia, other electrolyte disturbances and rare findings. These include hypothermia and rare electrophysiologic conditions. Detailed explanations are provided with links to topic reviews.

These ECG tests are quite extensive, but it is important to complete all of the tracings to attain a full ECG education. Review then once every few months to keep these ECG principles fresh in your mind. Join the ECG Blog for regular postings of ECG Cases.


ECG Quiz Resources:

Circulation ECG Challenge

By Steven Lome