her problem. He sent her to a pulmonologist. Tests came back normal.
This time, in her office, her breathing felt worse than ever. Only after her supervisor, himself a doctor, threatened to call an ambulance did Oyler accept a ride to the emergency room.
She had an electrocardiogram and echocardiogram. Although both showed slight abnormalities, the doctors weren’t concerned because of her fitness level. She went home that night feeling back to normal.
When Oyler later told her parents about the incident, they reminded her she’d had a heart murmur as a young child, but they were told it had vanished by her fifth birthday.
A few days later, Oyler, who works with Johnson & Johnson in their global efforts against tuberculosis, mentioned her ER visit to some medical colleagues. They expressed immediate
