biphasic T-wave
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Etiology
- myocardial ischemia
- Wellens syndrome:
- lateral (precordial) biphasic T-waves in V2 & V3
- also anterior T-wave inversions
- Wellens syndrome:
- hypokalemia
Diagnostic procedures
- electrocardiogram
- ischemic T waves go up then down
- hypokalemic T waves go down then up
- biphasic T waves in precordial leads V2 through V3 suggests Wellens syndrome often a manifestation of high-grade proximal left anterior descending (LAD) coronary artery stenosis.
- serial ECG to manifest deeply inverted T waves in precordial leads V2 through V3
- coronary angiography if deeply inverted T waves confirms Wellens syndrome[2]
More general terms
References
- ↑ Life in the Fast Lane. ECG Library T wave http://lifeinthefastlane.com/ecg-library/basics/t-wave/
- ↑ 2.0 2.1 Medical Knowledge Self Assessment Program (MKSAP) 20 American College of Physicians, Philadelphia 2025