Before you analyze complex morphology, establish the baseline.
by the number of large squares between consecutive R waves, or divide by the number of small squares. 12 lead ecg interpretation cheat sheet pdf
in lead II. Left Atrial Enlargement ( P mitrale ) causes notched, M-shaped P waves in lead II. Normal Range: Prolonged ( ): Indicates First-Degree AV Block. Shortened ( Left Atrial Enlargement ( P mitrale ) causes
| Axis | Normal | Abnormal | | --- | --- | --- | | Electrical axis | -30° to +90° | Outside this range | Before you analyze complex morphology
Remember "smoke (black) over fire (red)" for the left side and "clouds (white) over grass (green)" for the right. 2. Step-by-Step Interpretation Guide Follow these steps in order for every strip: Step 1: Determine Heart Rate Understanding an ECG | ECG Interpretation - Geeky Medics