Sudden death in police pursuit

A rare complication of sickle cell trait is sudden death and collapse. Mili tary recruits, pilots, and subjects exposed to hypoxic stress such as high altitude and experiencing sudden cardiorespiratory collapse as a result of sickle cell trait have been well described. This is a case of a 13-year-old black male who collapsed after a police pursuit and was found to have sick le cell trait and microscopic evidence of asthma.