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Implantable cardioverter defibrillator, Minnesota, United States, 1992-1993

‘Sudden Cardiac Death’ (SCD) is an unexpected death due to cardiac causes which occurs in a short time period. It accounted for one death every minute in the US in 1991. The Explanted Ventax Prx Implantable Cardioverter Defibrillator is a type of pacemaker developed in the same year. It was designed at St. George's Hospital, London, specifically to tackle SCD and was made in the US by Cardiac Pacemakers Incorporated. It was implanted into the chest cavity of individuals at risk of SCD due to a previous heart attack or a pre-existing heart condition. The cardiac defibrillator stayed dormant once implanted until a cardiac abnormality occurred. It then emitted regulated electrical impulses. These stimulate the contraction of the heart muscles to provide a sufficient rate of heartbeat.

Object number:

1993-1489

 

Glossary:

Glossary: defibrillator

A device that delivers a measured electric shock to the heart. Designed to prevent the irregular seizing of muscles in the heart (fibrillation). If the defibrillator is successful, the normal rhythm of the heart resumes.

Glossary: cardiology

The study of diseases affecting the heart and blood vessels.