C79. Pseudonormalisation ECG Pattern in Wellens’ Syndrome : A Pitfall in front of Our Eyes

Abstract

Abstract Background Wellens’ syndrome is a syndrome characterized by biphasic (type A) or deeply inverted T-wave (type B) in the anterior lead, without Q-waves and significant ST elevation, no loss of precordial R-wave progression, normal to minimally elevated cardiac enzymes, and a history of angina. Case Summary A 37-years-old male patient was admitted to the emergency department with the chief complaint of typical chest pain lasting for about 1 h. He had type 2 diabetes and a history of smoking. First ECG showed non-specific ST-T changes in the lateral lead. On ECG which was taken two hours later in the pain-free period, deeply inverted T waves were seen in the lead V2 and V3. Troponin I was found as 0.25 ng/mL. The patient was admitted to CVCU and brought to the angiography laboratory next day. A 90%-99% critical proximal LAD occlusion was observed. PCI was successfully performed with drug-eluting stent implantation and good restoration of LAD flow. He was discharged from the hospital on the following day without any complication after coronary intervention. Discussion Pseudonormalisation of T wave in pain period could be misinterpreted as normal ECG and could delay coronary angiography and revascularization. We should aware if a patient with typical chest pain came with normal or non-specific ECG changes. Evaluation of ECG in the pain-free period is crucial and leads to the best decision in managing the patient with this syndrome.