Ventricular fibrillation basically causes the ventricles (lowerChambers of the heart) to vibrate in a way that hampers their ability to deliver blood to the body.
心室颤动会造成心室(心脏中较小的腔)震动而阻碍它们向全身供血的能力。
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Pacemaker syndrome. This uncommon condition occurs when a pacemaker throws off the careful coordination between the beating of the upper and lowerchambers of the heart.
起搏器综合症这种不常见的疾病发生在当起搏器抛出了精心协调上下跳动的心腔。
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When the heart beats, an electrical signal passes from the top of the heart, near the atria (upper chambers), down through the ventricles (lowerchambers), and the chambers contract in that order.