Image IQ: 42-year-old man with dizziness and racing heartbeat
A 42-year-old man went to the ED complaining of acute onset of dizziness, heart palpitations, and a racing heartbeat.
 
Image IQ: A 66-year-old woman with fatigue and jaw pain
A 66-year-old woman was experiencing severe fatigue and jaw pain for more than an hour. When she started feeling short of breath, she was worried enough to head to the ED. She vomited while waiting to be seen and broke out into a cold sweat. Until this event, she had been enjoying her first year of retirement and was rarely at the doctor. What's your diagnosis?