Wellens syndrome

- a.k.a LAD coronary T wave syndrome
- criteria: characteristic T wave changes (deep inversion of T wave segment in precordial leads, generally leads V1 to V4) , history of anginal chest pain, normal or minimally elevated cardiac enzymes level, ECG without Q wave, without significant ST elevation, normal precordial R wave progression
- this syndrome represent preinfarction stage of coronary artery disease that often progress to devastating anterior wall infarction
- the characteristic pattern classically presents only during chest pain free period and is important to notice since it is a sign if LAD disease