Blood Archives

Cardiac arrest

Cardiac arrest is a sudden loss of blood flow throughout the body resulting from the failure of the heart to pump effectively. It is a rapidly fatal medical emergency requiring immediate intervention with cardiopulmonary resuscitation (CPR) until further treatment can be provided. Cardiac arrest results in rapid loss of consciousness and breathing may be abnormal or absent. Note that while cardiac arrest may be caused by heart attack or heart […]

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Seizure

An epileptic seizure, formally known as a seizure, is a period of symptoms due to abnormally excessive or synchronous neuronal activity in the brain. Outward effects vary from uncontrolled shaking movements involving much of the body with loss of consciousness (tonic-clonic seizure), to shaking movements involving only part of the body with variable levels of consciousness (focal seizure), to a subtle momentary loss of