A 49-year-old man is admitted to hospital in Japan with chest pains and a partially paralysed arm. Doctors diagnose a simultaneous heart attack and stroke and the patient seems to respond well to treatment. The next day, however, he has a cardiac arrest, and later dies. The autopsy reveals that all along he'd had an aortic dissection, a tear in the lining of the major artery from the heart.

In the US, a previously healthy and active 79-year-old man is found confused and incapacitated. He is diagnosed with pneumonia and dehydration, and after treatment seems to be recovering well. After three days he starts breathing rapidly and his condition declines. Six days after admission he dies. The autopsy reveals rampant TB.

A 37-year-old woman who is six months pregnant is admitted to hospital in Italy with severe abdominal pain. The pain is attributed to kidney stones and after treatment the ...