1 8 7 2 ▁birth s ▁Category : Date ▁of ▁death ▁missing ▁Category : W omen ▁in ▁California ▁politics ▁Category : American ▁political ▁activ ists <0x0A> </s> ▁My oc ard ial ▁perf usion ▁imag ing ▁or ▁sc anning ▁( also ▁referred ▁to ▁as ▁M PI ▁or ▁M PS ) ▁is ▁a ▁nuclear ▁medicine ▁procedure ▁that ▁illustr ates ▁the ▁function ▁of ▁the ▁heart ▁mus cle ▁( my oc ard ium ). ▁ ▁It ▁evalu ates ▁many ▁heart ▁conditions , ▁such ▁as ▁coron ary ▁ar tery ▁disease ▁( C AD ), ▁hy pert roph ic ▁card iom y op ath y ▁and ▁heart ▁wall ▁motion ▁ab normal ities . ▁It ▁can ▁also ▁detect ▁regions ▁of ▁my oc ard ial ▁inf ar ction ▁by ▁showing ▁areas ▁of ▁decre ased ▁rest ing ▁perf usion . ▁The ▁function ▁of ▁the ▁my oc ard ium ▁is ▁also ▁evaluated ▁by ▁calculating ▁the ▁left ▁vent ric ular ▁e jection ▁fraction ▁( L VE F ) ▁of ▁the ▁heart . ▁This ▁scan ▁is ▁done ▁in ▁conj unction ▁with ▁a ▁card iac ▁stress ▁test . ▁The ▁di agnostic ▁information ▁is ▁generated ▁by ▁prov oking ▁controlled ▁regional ▁is chem ia ▁in ▁the ▁heart ▁with ▁variable ▁perf usion . ▁ ▁Plan ar ▁techniques , ▁such ▁as ▁conventional ▁sc int ig raph y , ▁are ▁rarely ▁used . ▁R ather , ▁Single - ph ot on ▁emission ▁computed ▁tom ography ▁( S PE CT ) ▁is ▁more ▁common ▁in ▁the ▁US . ▁With ▁multi head ▁S PE CT ▁systems , ▁imag ing ▁can ▁often ▁be ▁completed