Pre-Class Resources

To maximize your learning during the Masterclasses, we recommend reviewing these materials prior to arrival in Houston.

Technical Papers

In-depth PDFs and articles for foundational knowledge.

The Hexaxial Reference Grid — Part 1

Essential reading for interpreting ECGs at an advanced level. You will be lost without this framework.

The Hexaxial Reference Grid — Part 2

Continuation of the HRG framework focusing on clinical application and axis calculation shortcuts.