While most heart devices have saved lives, some of the implanted devices have turned out to be defective.
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Glossary of Terms

Defibrillator:  a device for correcting life threatening rhythms (ICD, AICD).

Pacemaker:  a device for increasing a slow heart rate.

Interrogation:  to obtain information from a device.

Ventricle:  the lower pumping chamber of the heart.

Atriumthe upper chamber of the heart.

Ventricular Tachycardiafast heart beats from the bottom of the heart.

Ventricular Fibrillationrapid, irregular heartbeat.

Cardiomyopathya disorder of the heart muscle.

Heart Failurein general, a decreased pumping ability of the heart.

Myocardial Infarctiondeath of heart muscle.

Leads:  the wires going from a device to the heart.

Cardiac Resynchronization:  the use of a specialized device for the treatment of patients with heart failure (CRT, CRT-D, CRT-P).

Syncope:  sudden loss of consciousness.

Learn more about recalled heart devices:

       >  Timeline of Heart Device Litigation

       >  Was Your Heart Device Recalled?

       >  Filing a Lawsuit