Acute Radiation Syndrome

Download the REMM app to estimate the amount of radiation exposure - Leslie Crosby MD

Acute Radiation Syndrome
Acute Radiation Syndrome

image by: U.S. Army

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So I Watched CHERNOBYL… Now What? Revisiting Acute Radiation Syndrome

Military attacks or natural disasters affecting civilian nuclear power plants are extremely unlikely. However, physicians ought to be prepared to care for the more plausible patient injured from working in an industrial, military, research, or medical setting with known radiation risks. Alternatively, cases of radiation sickness have occurred as a result of patients unwittingly handling discarded radiation sources.

Pathophysiology of the Effects of Radiation

Radiation injury is caused by deposition of energy in tissues, which promotes free radicals and disruption of DNA and other cellular structures. Radiation exposure can occur through inhalation, ingestion,…

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 So I Watched CHERNOBYL… Now What? Revisiting Acute Radiation Syndrome

Although more than 119 million U.S. residents live within 50 miles of a nuclear power plant, most emergency physicians are unfamiliar with management of radiation-related injuries, including mass casualty from nuclear accidents.


Provide guidance for health care providers, primarily physicians, about clinical diagnosis and treatment of radiation injury during radiological and nuclear emergencies.

Stanford University

Acute Radiation Syndrome (ARS) is an immediate illness that results from excessive radiation exposure over a short period of time. The radiation that causes ARS is large in dosage, which means greater than 0.7 Gray (Gy) or 70 rads; penetrates the body and reaches the internal organs; and affects the entire body or at least a great portion of it. Cellular damage from radiation happens within microseconds of exposure, and the onset of ARS varies from a few hours to weeks.

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