L-Type Calcium Channels Do Not Play a Critical Role in Chest Blow Induced Ventricular Fibrillation: Commotio Cordis

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L-Type Calcium Channels Do Not Play a Critical Role in Chest Blow Induced Ventricular Fibrillation: Commotio Cordis.

Background. In a commotio cordis swine model, ventricular fibrillation (VF) can be induced by a ball blow to the chest believed secondary to activation of mechanosensitive ion channels. The purpose of the current study is to evaluate whether stretch induced activation of the L-type calcium channel may cause intracellular calcium overload and underlie the VF in commotio cordis. Method and Result...

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Atrial fibrillation induced by commotio cordis secondary to a blunt chest trauma in a teenage boy.

Low-energy blunt chest trauma can cause commotio cordis and ventricular fibrillation (VF) in otherwise healthy young individuals. If the chest wall impact occurs during a narrow vulnerable window of ventricular repolarization, the generated premature ventricular impulse can lead to VF and sudden death. Atrial fibrillation (AF) in association with a blunt chest trauma has not yet been reported i...

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Mechanically induced sudden death in chest wall impact (commotio cordis).

Sudden death due to nonpenetrating chest wall impact in the absence of injury to the ribs, sternum and heart is known as commotio cordis. Although once thought rare, an increasing number of these events have been reported. Indeed, a significant percentage of deaths on the athletic field are due to chest wall impact. Commotio cordis is most frequently observed in young individuals (age 4-18 year...

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Mechanical properties of chest protectors and the likelihood of ventricular fibrillation due to commotio cordis.

Sudden death resulting from ventricular fibrillation (VF) caused by a nonpenetrating chest wall impact, known as commotio cordis (CC), is the second leading cause of death among young athletes. To date, seven young athletes wearing chest protectors have died from CC. The purpose of this study was to determine whether a relationship exists between mechanical properties of chest protectors and oc...

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Recurrent commotio cordis: Déjà vu

Introduction Commotio cordis is defined as sudden cardiac death caused by a chest blow to the anterior chest. Events are predominantly reported in youth sports of baseball, lacrosse and hockey when the ball or puck strikes the chest. But commotio cordis can occur with other relatively innocent blows to the anterior chest wall, including fists, elbows and other objects. The mechanism of commotio...

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ژورنال

عنوان ژورنال: Cardiology Research and Practice

سال: 2016

ISSN: 2090-8016,2090-0597

DOI: 10.1155/2016/5191683