dɪvˈɛləpmənts ɪn ˌɛkəkˌɑːɹdɪˈoʊɡɹəfi, bˈoʊθ ðə tɛknˈɑːlədʒi ʌvðə məʃˈiːnz ænd ðə skˈɪl ʌvðɪ ˈɑːpɚɹˌeɪɾɚz, hæv mˌeɪd ɪt nˌoʊ lˈɑːŋɡɚ nˈɛsᵻsɚɹi tə sˈiː ðɪ ˌɛndoʊkˈɑːɹdiəm æɾ ˈɔːtɑːpsi.
Developments in echocardiography, both the technology of the machines and the skill of the operators, have made it no longer necessary to see the endocardium at autopsy.