The ECG shown on page 14 (ECG 15.2) is from a 74-year-old female admitted for monitoring after facial surgery. There is no chest pain.
a) Describe the abnormalities. (25% marks)
b) What is the underlying diagnosis? (10% marks)
Critical LAD stenosis (Wellens syndrome)
This image was stolen from LITFL, as they all tend to be. According to Rhinehart et al (2002), via that LTFL entry (which is gloriously detailed), the criteria for Wellen's syndrome are:
Rhinehardt, Joseph, et al. "Electrocardiographic manifestations of Wellens' syndrome." The American journal of emergency medicine 20.7 (2002): 638-643.