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As a child, Spokane resident Holly Tucci enjoyed being active despite constantly feeling tired. Tucci, 41, was diagnosed after birth with a congenital heart defect – a complete heart block and murmur.

Pacemakers are implantable cardiac devices used in the treatment of bradycardia and heart failure. They monitor electrical signals in the heart and deliver electrical stimuli to cause contraction in ...

Your heart's job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you're relaxing, and sometimes it's faster when you're exercising or stressed ...

Smaller catheters to place the leadless pacemaker may expand its use as an option for more children with slow heartbeats, according to a new study in the Circulation: Arrhythmia and Electrophysiology ...

Defibrillators use electrical shocks to restore a normal heart rate, especially in cases of life threatening arrhythmias or sudden cardiac arrest, while pacemakers use low-energy electrical pulses to ...

A biventricular pacemaker is a device that can help the heart beat more efficiently when a person has heart failure or an irregular heartbeat. When a person has heart failure or an irregular heartbeat ...

Dear Doctor Roach: What’s the difference between a pacemaker and a defibrillator? -- T.S.B. Answer: Both are implantable devices to treat electrical problems of the heart. A pacemaker is a much older ...

A pacemaker designed for babies could fill an unmet need for newborns with congenital heart defects and other heart conditions, finds a new study in the Circulation: Arrhythmia and Electrophysiology ...

Defibrillators and pacemakers help the heart maintain a regular rhythm. Defibrillators deliver a shock if the heart goes into arrhythmia. Pacemakers use electrical impulses to keep the heart from ...