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To the Editor.—
Dr. Richard C. Gibbs' "Tennis Toe" may be caused by conditions and activities other than descent of mountains and tennis (228:24, 1974).I refer particularly to subungual hemorrhages seen in edema of the feet in hot weather.A seated victim of air-conditioning failure in a Pullman car during severe heat had hemorrhages beneath the nails bilaterally.In another, hemorrhage occurred beneath the second nail of his accelerator-pedal foot following a long day of driving under similar circumstances. In this case, the nail was replaced in a year's time by a new nail.In both instances, dependency of the feet, hot weather, and edema were causative factors.
Taylor KPA. Tennis Toe. JAMA. 1974;229(3):269. doi:10.1001/jama.1974.03230410015011