One example of such equipment is the 360 gamma, a radiation protection belt that applies selective shielding to protect the bone marrow stored in the pelvic area as well as other radio sensitive organs in the abdominal region without hindering functional mobility. More information on bone marrow shielding can be found in the "Health Physics Radiation Safety Journal". article Waterman, Gideon; Kase, Kenneth; Orion, Itzhak; Broisman, Andrey; Milstein, Oren (September 2017). "Selective Shielding of Bone Marrow: An Approach to Protecting Humans from External Gamma Radiation". Health Physics. 113 (3): 195–208. doi:10.1097/HP.0000000000000688. PMID 28749810. S2CID 3300412., or in the Organisation for Economic Co-operation and Development (OECD) and the Nuclear Energy Agency (NEA)s 2015 report: "Occupational Radiation Protection in Severe Accident Management" (PDF). Reduction of incorporation
Where radioactive contamination is present, an elastomeric respirator, dust mask, or good hygiene practices may offer protection, depending on the nature of the contaminant. Potassium iodide (KI) tablets can reduce the risk of cancer in some situations due to slower uptake of ambient radioiodine. Although this does not protect any organ other than the thyroid gland, their effectiveness is still highly dependent on the time of ingestion, which would protect the gland for the duration of a twenty-four-hour period. They do not prevent ARS as they provide no shielding from other environmental radionuclides. Fractionation of dose
If an intentional dose is broken up into a number of smaller doses, with time allowed for recovery between irradiations, the same total dose causes less cell death.
Complications like leukemia and other cancers among those who survive are managed as usual. Short term outcomes depend on the dose exposure.ARS is generally rare. A single event can affect a large number of people, as happened in the atomic bombing of Hiroshima and Nagasaki and the Chernobyl nuclear power plant disaster. ARS differs from chronic radiation syndrome, which occurs following prolonged exposures to relatively low doses of radiation. Signs and symptoms
Classically, ARS is divided into three main presentations: hematopoietic, gastrointestinal, and neuro vascular. These syndromes may be preceded by a prodrome. The speed of symptom onset is related to radiation exposure, with greater doses resulting in a shorter delay in symptom onset. These presentations presume whole-body exposure, and many of them are markers that are invalid if the entire body has not been exposed. Each syndrome requires that the tissue showing the syndrome itself be exposed (e.g., gastrointestinal syndrome is not seen if the stomach and intestines are not exposed to radiation). Some areas affected are:

Hematopoietic. This syndrome is marked by a drop in the number of blood cells, called aplastic anemia. This may result in infections, due to a low number of white blood cells, bleeding, due to a lack of platelets, and anemia, due to too few red blood cells in circulation. These changes can be detected by blood tests after receiving a whole-body acute dose as low as 0.25 grays (25 rad), though they might never be felt by the patient if the dose is below 1 gray (100 rad).