Acute stress reaction

Acute stress reaction
Other namesAcute stress disorder, psychological shock, mental shock, shock
SpecialtyPsychiatry
Symptoms
Duration< 1 month
CausesExposure to a traumatic event
Differential diagnosisPost-traumatic stress disorder, adjustment disorder

Acute stress reaction (ASR), also known as psychological shock, mental shock, or simply shock,[a] as well as acute stress disorder (ASD), is a psychological response to a terrifying, traumatic, or surprising experience. The reactions may include but are not limited to intrusive thoughts, or dissociation, and reactivity symptoms such as avoidance or hyperarousal. It may be exhibited for days or weeks after the traumatic event.[1] If the condition is not correctly addressed, it may develop into post-traumatic stress disorder (PTSD).[2][3]


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  1. ^ Friedman, Matthew J. (2015). Posttraumatic and acute stress disorders (Sixth ed.). Cham: Springer International Publishing Switzerland. p. 118. ISBN 978-3-319-15066-6. OCLC 904253583.
  2. ^ Isaac, Jeff. (2013). Wilderness and rescue medicine. Jones & Bartlett Learning. ISBN 9780763789206. OCLC 785442005.
  3. ^ Reynaud, Emmanuelle; Guedj, Eric; Trousselard, Marion; El Khoury-Malhame, Myriam; Zendjidjian, Xavier; Fakra, Eric; Souville, Marc; Nazarian, Bruno; Blin, Olivier; Canini, Frédéric; Khalfa, Stephanie (2015). "Acute stress disorder modifies cerebral activity of amygdala and prefrontal cortex". Cognitive Neuroscience. 6 (1): 39–43. doi:10.1080/17588928.2014.996212. PMID 25599382. S2CID 12378221.

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