Wellens' Syndrome

If I see a patient in Emergency Dept presented with history of typical angina pain but on arrival to ED, the patient said the pain has very much reduced, and on ECG there is deep T inversion in V2-V3 with no ST elevation, then I am not just seeing a relatively simple unstable angina case (even if the cardiac enzymes are 'negative'), but I may be seeing a patient who is considered a potential '