ECG Basics: intervals and axis

Understand PQRST, intervals, axis, and common pitfalls.

Subjects: Cardiology · Systems: Cardiovascular · Tags: ecg

Note:
This explainer is intentionally concise; see standard references for depth.
  1. Step one …
  2. Step two …
  3. Step three …

Disclaimer: For education only. Not medical advice; always follow your institution's guidance.