Policemen, prison guards, matrons and firemen suffering disability or death from hypertension or heart disease

Any condition of impairment of health caused by hypertension or heart disease resulting in total or partial disability or death to a member of the Virgin Islands Police Force, a prison guard and matron or a member of the Fire Division of the U.S. Virgin Islands Police Department (V.I.P.D.) who successfully passed a physical examination on entry into such service, which examination failed to reveal any evidence of such condition, shall be presumed to have been suffered in the performance of his duty and he shall be entitled to all benefits under this chapter.