Genetics

If not for 2-year-old, young mom might have died

The night she turned 37, Barbara Jackson put her 2-year-old daughter Olivia Copeland to bed and walked to the kitchen. She felt a little odd but didn't think much of it.

Cardiology

24-year-old's fainting was a clue to her fatal heart condition

Christie Tolosky went to her family doctor's office to get a prescription for a toothache. She collapsed and was dead within an hour, leaving doctors looking for clues about what happened to the otherwise healthy 24-year-old.

Cardiology

Startling these twins could put their hearts at risk

Katie and Lance Cox were watching TV one evening, their infant twins Carter and John asleep nearby, when Katie dropped the remote control. As it clattered across the floor, the couple froze, staring terrified at one another.

Genetics

Long QT syndrome—revealed

Long QT syndrome is a rare disorder that can lead to dangerous heart rhythms, fainting and sudden cardiac arrest.

Cardiology

Understanding and treating long QT syndrome

DEAR MAYO CLINIC: I recently read that long QT syndrome is quite common. What is it, and how is it diagnosed? I have read that fainting may be one sign of the disorder. Can long QT syndrome be treated?

Cardiology

Molecular autopsy IDs causes of sudden arrhythmic death

(HealthDay)—Molecular autopsy for electrical disorder and cardiomyopathy genes identifies a modest but realistic yield in sudden arrhythmic death syndrome (SADS), according to a study published online April 24 in the Journal ...

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