Diseases, Conditions, Syndromes

New drug shows promise for long QT syndrome

(Medical Xpress) -- Johns Hopkins researchers have discovered a new drug that may be useful in treating a heart rhythm condition called long QT syndrome. The study was published online on June 28 in the Early Edition of the ...

Genetics

Genetic defects hold clues to risk for sudden cardiac death

Sudden cardiac death is always a shocking, tragic event, especially when it occurs at a young age. But, for the first time, scientists are unraveling how genetic defects can help predict the risk of dying suddenly in individuals ...

Cardiology

Cause of ventricular tachycardia determines treatment

Dear Mayo Clinic: Recently, I was diagnosed with ventricular tachycardia, but doctors said a cause cannot be determined. What usually causes this problem? Does knowing the cause make a difference in treatment?

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.

page 1 from 5

The long QT syndrome (LQTS) is a rare inborn heart condition in which delayed repolarization of the heart following a heartbeat increases the risk of episodes of torsade de pointes (TDP, a form of irregular heartbeat that originates from the ventricles). These episodes may lead to palpitations, fainting and sudden death due to ventricular fibrillation. Episodes may be provoked by various stimuli, depending on the subtype of the condition.

The condition is so named because of the appearances of the electrocardiogram (ECG/EKG), on which there is prolongation of the QT interval. In some individuals the QT prolongation occurs only after the administration of certain medications.

This text uses material from Wikipedia licensed under CC BY-SA