mˈɛnɪəv ðə kˈeɪsᵻz ʌv ˈɪnfəntˌaɪl kˈɑːɹdiˌæk fˈeɪlɪɹ wɜːɹ ɐkˈoːɹdɪŋli kˈɔːld "pɹˈaɪmɚɹi kˌɑːɹdɪˌoʊmɪˈɑːpəθi" æz wˈɛl æz "pɹˈaɪmɚɹi ˌiːˌɛfˈiː", wˌaɪl ðoʊz wɪð aɪdˈɛntɪfˌaɪəbəl kəndʒˈɛnɪɾəl ɐnˈɑːməliz stɹˈɛsɪŋ ðə hˈɑːɹt wɜː kˈɔːld "sˈɛkəndɚɹi ˌiːˌɛfˈiː".
Many of the cases of infantile cardiac failure were accordingly called "primary cardiomyopathy" as well as "primary EFE", while those with identifiable congenital anomalies stressing the heart were called "secondary EFE".