[Severe forms of effort-induced XXXX ].

@entity1 @entity101 @entity1353 @entity565 @entity2263
Severe reactions in exercise-induced @entity565 (EIA) seem to be underestimated in the published literature. We report two cases of near-miss death from EIA that occurred after a short run. We review 364 exercise tests that were performed between September 1987 and October 1988 by a standardised protocol on a treadmill, on @entity1 with possible EIA. A positive test, defined by a fall of FEV1 of at least 20% was found in 173 @entity1 . From 21 @entity1 with a fall of greater than 50%, 4 presented severe signs of: Cyanosis. Intense @entity1353 with impediment of speech. General malaise with @entity101 . These 4 @entity1 were not greatly different from @entity1 of the 50% fall group when compared for FEV1 before the test and for heart-rate during the test. They differed in the duration of the @entity565 , which was more protracted, despite the use of @entity2263 agonists. The onset of severe reactions is 2.3% of positive tests and seems to be unpredictable.
