Show 1 aviators heart enlarged effet doctors e and lamy of nancy r france rance have fi ton ducted a series of xray X ray examinations of the heart of 0 aviators sivia tors and have found evidence of to considerable ehl enlargement argement the heart enlargement sits ats in early in the lying flying mans career being noticeable a after file months of experience in the air the Thel degree of enlargement is roughly proportioned to the height at which the aviator aviator Is to if fly Y so examination of the xray X ray plate suffices to determine a mans branch of flying service 4 1 hether he is doing chasing and bombing work kt at high altitudes or Is engaged at hati harrying yIng infantry etc at comparatively taw ow altitudes the enlargement seems to be symmetrical and lt altos A locq not appear to involve serious tTo trouble uble it Is due to the hearts adapting itself to the extra work put upon it by changes in the blood circulation because of the laying conditions in the atmosphere through which ahe alie aviator flies and to the general happenings incident to aviation |