An acute illness caused by a dose greater than 50 rads of penetrating radiation to most or all of the body in a short time, usually a matter of minutes. Examples of persons who suffered from acute radiation syndrome (ARS) are the survivors of the Hiroshima and Nagasaki atomic bombs and the firefighters that first responded after the Chernobyl Nucle [..]

Serious illness caused by being exposed to high doses of certain types of radiation, usually over a short period of time. Symptoms of acute radiation syndrome usually occur right after exposure but th [..]

The Acute Radiation Syndrome (ARS) is also known as Radiation Sickness. A person exposed to radiation will develop ARS only if the radiation dose was high, penetrating (e.g., x-rays or gamma rays), en [..]

A condition caused by a brief whole body exposure to more than one sievert dose equivalent of Radiation. Acute Radiation Syndrome is initially characterized by Anorexia; Nausea; Vomiting; but can prog [..]

<syndrome> A syndrome caused by exposure of the body to large amounts of radiation, (e.g., from certain forms of therapy, accidents, and nuclear explosions; it is divided into three major forms which are, in ascending order of severity, the haematogic, gastrointestinal, and central nervous system-cardiovascular forms; its clinical manifestati [..]