Atrial tachycardia

Atrial tachycardia is an arrhythmia that is fast and regular, originating within the atria. The P waves are a different shape to normal. The QRS complexes can be narrow.

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In the ECGquest archives, this ECG has been tagged with: - 12-Lead Inverted P waves Atrial tachycardia Dr Smith's ECG Blog CC BY-NC
Regular, steady, and fast at 170 (wide or narrow?), hypoxic, crackles in lungs, B-lines, unconscious. Repeat ECG after fluids.

This ECG is from a man in his 60s who was found unconscious and hypoxic.

This ECG shows atrial tachycardia with negative P waves in V1-V2.

In the ECGquest archives, this ECG has been tagged with: - Rhythm Strip Extra P waves Regular Tachycardia Atrial tachycardia SVT ECG Interpretation CC-BY-NC-SA
ECG Blog #138 (SVT – AV Block – Atrial Flutter – Atrial Tachycardia – Digoxin)