▁different ▁comp ounds ▁containing ▁te ch net ium - 9 9 m ▁were ▁introduced : ▁te bor ox ime ▁ ▁and ▁s est am ib i . ▁ ▁The ▁util ization ▁of ▁T c - 9 9 m ▁would ▁allow ▁higher ▁dos es ▁( up ▁to ▁) ▁due ▁to ▁the ▁shorter ▁physical ▁( 6 ▁hours ) ▁half ▁life ▁of ▁T c - 9 9 m . ▁ ▁This ▁would ▁result ▁in ▁more ▁decay , ▁more ▁sc int ill ation ▁and ▁more ▁information ▁for ▁the ▁nuclear ▁cam eras ▁to ▁measure ▁and ▁turn ▁into ▁better ▁pictures ▁for ▁the ▁clin ician ▁to ▁interpret . ▁ ▁Major ▁indic ations ▁ ▁Di agn osis ▁of ▁C AD ▁and ▁various ▁card iac ▁ab normal ities . ▁ ▁Ident ifying ▁location ▁and ▁degree ▁of ▁C AD ▁in ▁patients ▁with ▁a ▁history ▁of ▁C AD . ▁ ▁Pro gn osis ▁of ▁patients ▁who ▁are ▁at ▁risk ▁of ▁having ▁a ▁my oc ard ial ▁or ▁coron ary ▁incident ▁( i . e . ▁my oc ard ial ▁inf ar ction , ▁my oc ard ial ▁is chem ia , ▁coron ary ▁an eur ys m , ▁wall ▁motion ▁ab normal ities ). ▁Ass ess ment ▁of ▁vi able ▁my oc ard ium ▁in ▁particular ▁coron ary ▁ar tery ▁territory ▁ ▁following ▁heart ▁attacks ▁to ▁justify ▁re vas cular ization ▁ ▁Post ▁inter vention ▁re vas cular ization ▁( cor on ary ▁ar tery ▁by pass ▁gra ft , ▁ang iop last y ) ▁evaluation ▁of ▁heart . ▁E valu ation ▁of ▁short