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  • Disease

    Ventricular fibrillation

    The interior of the heart is composed of valves, chambers, and associated vessels.

    Ventricular fibrillation (VF) is a severely abnormal heart rhythm () that is life threatening.

  • Disease

    Ventricular tachycardia

    Ventricular tachycardia (VT) is a rapid heartbeat that starts in the ventricles.

  • Symptoms

    Vomiting blood

    Vomiting blood is regurgitating (“throwing up”) contents of the stomach that contains blood. Vomited blood may appear either a bright red or dark red color. The vomited material may be mixed with food or it may be blood only.

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