1 disease that is common. 1 disease that is very rare. 28 diseases without any prevalence information. Causes of Barrel chest without any prevalence information The following causes of Barrel chest are ones for which we do not have any prevalence information.
Definition of flashback for English Language Learners. : a part of a story or movie that describes or shows something that happened in the past.
A trigger is something that sets off a memory tape or flashback transporting the person back to the event of her/his original trauma. Triggers are very personal; different things trigger different people. The survivor may begin to avoid situations and stimuli that she/he thinks triggered the flashback.