Level 1

The ECG curve

This basic module breaks down the components of the ECG tracing so you can understand more advanced concepts of electrocardiography. The ABCs of ECGs.
1 Lesson (10m 32s), 1 Quiz
Level 2


In this level you learn how to measure intervals and amplitudes on the ECG. No need to carry a ruler with you! Counting and some simple math is all you need.
  • Interval and amplitude measurements
  • Measurements quiz
1 Lesson (5m 35s), 1 Quiz
Level 3

Interpretation of durations

In this module, you learn what it means when intervals and amplitudes are off. There are only a few concepts you need to understand.
  • When the timing is off—keys of duration interpretation
  • Durations quiz
1 Lesson (6m 50s), 1 Quiz
Level 4

The precordial leads

This level introduces you to the precordial leads and which areas of the heart they depict. It will pay off later to drill down into these important basics now!
  • The precordial leads—what nobody ever tells you
  • The precordial leads quiz
1 Lesson (14m 36s), 1 Quiz
Level 5

The precordial leads advanced

Here you learn several important pearls and pitfalls regarding the precordial leads. We also introduce you to the nuts and bolts of bundle branch block.
  • The precordial leads—getting 100% confidence
  • The precordial leads advanced quiz
1 Lesson (8m 00s), 1 Quiz
Level 6

Ventricular hypertrophy

The assessment of ventricular hypertrophy can seem complicated. After attending this module, you will be able to diagnose right and left ventricular hypertrophy like a pro.
  • Ventricular hypertrophy—what you really need to know
  • Ventricular hypertrophy quiz
1 Lesson (8m 36s), 1 Quiz
Level 7

ST depression and T negativity

In this level, you get an easy-to-understand introduction to ST depression and T negativity. This module is so essential, even savvy ECGologists will find it useful!
  • ST depression and T negativity—a simple approach
  • ST depression and T negativity quiz
1 Lesson (6m 59s), 1 Quiz
Level 8

Introduction to myocardial infarction

Whatever your field of expertise might be, this module on diagnosing myocardial infarction is one you absolutely, positively don’t want to miss.
  • What everybody ought to know about myocardial infarction
  • Introduction to myocardial infarction quiz
  • Myocardial infarction bonus
2 Lessons (20m 22s), 1 Quiz
Level 9

Inferior wall myocardial infarction

Recognizing inferior wall myocardial infarction can be tricky. Here you learn what it takes to become great at it. Also, you’ll meet our cookbook: a step-by-step approach to evaluating any ECG.
  • Inferior wall myocardial infarction—pearls and pitfalls
  • Inferior wall myocardial infarction quiz
1 Lesson (10m 02s), 1 Quiz
Level 10

Mastering the ST segment

This module will turn you into an expert at evaluating the ST segment and ST elevation myocardial infarction. Becoming intimate with the ST segment will help you save lives!
  • Mastering the ST segment
  • Mastering the ST segment quiz
1 Lesson (14m 43s), 1 Quiz
Level 11

Cardiac axis, atrial hypertrophy, and low voltage

The evaluation of the cardiac axis is easier than it seems. But let’s be honest, the cardiac axis is not very useful in most cases. We’ll teach you when knowledge of the axis really makes a difference. Furthermore we’ll teach you how to diagnose atrial hypertrophy and atrial enlargement on the ECG...some underrated skills that can come in handy in certain situations.
  • The shocking truth about the cardiac axis
  • What every clinician should know about atrial hypertrophy and low voltage
  • Cardiac axis, atrial hypertrophy, and low voltage quiz
2 Lessons (23m 12s), 1 Quiz
Level 12


Certain electrolyte disturbances can be suspected just by looking at the ECG. In this module, we’ll teach you what to look for.
  • A short story about electrolytes
  • Electrolytes quiz
1 Lesson (9m 06s), 1 Quiz
Level 13

Normal sinus rhythm

Up until this point, rhythmology has not been touched upon in the Yellow Belt. In this module, we’ll teach you the criteria of normal sinus rhythm.
  • Rhythm 101—the normal rhythm
  • Normal sinus rhythm quiz
1 Lesson (4m 20s), 1 Quiz