House (2004)

S2E14 Sex Kills

House and his team are faced with a puzzling case involving a man who had a seizure without any knowledge of it. Complications arise when he suffers a heart attack, making him a candidate for a heart transplant. To save his life, the team scrambles to identify the illness that led to a woman's death, hoping to retrieve her heart for the transplant. The clock is ticking as they work against time to find answers and save their patient.