Wellens Syndrome or Inverted U Waves: A Serious Clinical Condition Needing Immediate Attention Regardless of Symptoms

A 76-year-old female with hypertension, diabetes, and end-stage renal disease on hemodialysis was sent to the emergency department due to complaints of neck and jaw pain associated with hypotension during dialysis. Biphasic T waves could be seen in V2-V3 in her electrocardiogram (ECG) (Figure 1). These T-wave changes were not seen in her last ECG (Figure 2). She was asymptomatic in the emergency department and her troponins were negative. Her...