RBBB. Is there ST Elevation in III and aVR, with reciprocal ST depression in I and aVL?
This ECG is from a man of unknown age who presented with dizziness and dyspnoea on a background of stage 4 lymphoma. He was tachycardic, tachypnoeic (31) and hypoxic (SpO2 79%). The lungs were clear on auscultation.