Cardiology

Packard Children's has smallest child yet to get pacemaker

Jaya Maharaj was 15 minutes old when she was sent to surgery at Lucile Packard Children’s Hospital and given a pacemaker that saved her life. The tiny girl — born nine weeks early, weighing 3.5 pounds, with a heart ...

Cardiology

Rhythm is it: Ion channels ensure the heart keeps time

The heartbeat is the result of rhythmic contractions of the heart muscle, which are in turn regulated by electrical signals called action potentials. Action potentials result from the controlled flow of ions into heart muscle ...

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