Zuciyar tayin zai fara daga mako huɗu. Tun daga makon shida na ciki, ana auna ƙimar zuciya na tayi tare da taimakon kayan aiki na musamman - wani firikwensin firikwensin tarin lantarki. Lokacin da kayyade yawan girma da bunƙasa jaririn, alamun zuciya na cikin manyan. Duk wani sauye-sauye a cikin tsarin ci gaba zai shafi nauyin zuciya kuma ya nuna alamar matsalolin da suka faru.
Hanya na zuciya na tayi daidai ya dogara da lokacin yin ciki. A ƙasa a cikin tebur an ba da ka'idojin rubutu na HR zuwa lokacin da ake ciki.
| Yanayin ciki, makonni. | Zuciya ta zuciya, ud./min. |
|---|---|
| 5 | 80-85 |
| 6th | 102-126 |
| 7th | 126-149 |
| 8th | 149-172 |
| 9th | 175 (155-195) |
| 10 | 170 (161-179) |
| 11th | 165 (153-177) |
| 12th | 162 (150-174) |
| 13th | 159 (147-171) |
| 14-40 | 157 (146-168) |
Fetal zuciya cikin makonni
Daga kashi biyar zuwa takwas na mako zuciya ya kara ƙaruwa, kuma yana farawa daga mako tara, zuciya mai tayi yana kara da hankali (ana iya nuna bambanci a cikin mahaifa). Bayan makonni na goma sha uku, a lokacin kula da zuciya na tayin, zuciyar zuciya shine kullum 159 bpm. A cikin wannan yanayin, ƙaura a cikin kewayon 147-171 bpm yana yiwuwa.
Idan akwai karkatawa daga yanayin zuciya na yau da kullum, likita ya gudanar da bincike don kasancewa a cikin tarin ciki a cikin tayin. Hoto mai saurin ya nuna irin rashin jin yunwa da rashin jin dadi, kuma bradycardia (rassan da aka gina shi) mai tsanani ne. Hanyoyin hypoxia mai tausayi na tayin zai iya zuwa ta hanyar wanzuwa mai tsawo na uwar ba tare da motsi ba ko a cikin ɗaki mai dadi. Irin mummunan hypoxia ya zo ne ta hanyar rashin daidaituwa kuma yana buƙatar jiyya mai tsanani.
Tsarin zuciya na zuciya na Fetal
Ayyukan cardiac na tayin an tantance ta ta amfani da duban dan tayi, echocardiography (ECG), ƙwarewa (sauraron) da CTG (cardiotocography). A mafi yawan lokuta, ana amfani da duban dan tayi kawai, amma idan akwai alamun pathologies, to ana amfani da ƙarin nazarin. Alal misali, ƙyallen echocardiogram na tayin, wanda hankalinsa yake mayar da hankali akan zuciya kawai. Tare da taimakon ECG, tsarin da zuciya, ayyukansa, manyan jirgi ana nazari. Mafi lokacin mafi kyau ga wannan binciken shine lokacin daga goma sha takwas zuwa ashirin da takwas.
Tun daga farkon makonni talatin da biyu, ana iya yin CTG, wanda ake sa zuciya a zuciya da tayin da tayi a cikin mahaifa.