S1Q3T3

S1Q3T3 is a pattern of S waves in lead I, Q waves in lead III and inverted T waves in lead III. It is classically associated with Pulmonary Embolism, but is rarely present.

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ECG Library (4)

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In the ECGquest archives, this ECG has been tagged with: - Loss of consciousness 12-Lead Inverted T waves Normal Axis Regular S1Q3T3 ST elevation in aVR Tachycardia Sinus tachycardia Acute right heart strain Pulmonary embolism Dr Smith's ECG Blog CC BY-NC
Comatose after opiate overdose, with tachycardia and hypotension
In the ECGquest archives, this ECG has been tagged with: - 12-Lead Inverted T waves S1Q3T3 Acute right heart strain Pulmonary embolism Dr Smith's ECG Blog CC BY-NC
A crashing patient with an abnormal ECG that you must recognize