Kuteerera kurova kwemoyo we "fetus" chimwe chezvinhu zvinonyanya kufadza nezve nhumbu. Asi vanotanga kunzwa rini? Nguva inonakidza yekutanga yekuongorora gynecological ndeye kukwanisa teerera kurova kwemoyo wemwana.
Chiremba anoita kuti urare pamubhedha uye Ultrasound inokuratidza "diki bhinzi" uye ipapo ipapo, kurova kwemoyo. Ndiwo moyo wemudiki wako, uchirova zvekumhanya. Asi, kubva rinhi inonzwika uye inorova kwenguva yakareba sei?
Muvhiki ripi unogona kutanga kunzwa kurova kwemwoyo wemwana wako?
Fetal heart beats inogona kuva tsvaga pamazuva makumi matatu nemana (pasi pemasvondo matanhatu) yekuzvitakura ine transvaginal ultrasound yemhando yepamusoro uye yakanaka mhando.
Pamasvondo matanhatu, the moyo "embryo", iyo zvino inorova ka110 paminiti, ine makamuri mana asina chinhu, imwe neimwe ine mukova uye yekubuda kubvumira ropa kuyerera mukati nekubuda mazviri. Mune mamwe mavhiki maviri chete, nhamba iyoyo ichawedzera kusvika 150-170 kurova paminiti.
Nekukura kwese uku, zvinogoneka kuti iwe unogona kunzwa kurova kwemoyo we "fetus" kekutanga mukati memavhiki mapfumbamwe kusvika gumi emimba, kunyangwe zuva chairo ringasiyana. Panguva ino icharova ingangoita 170 kurova paminiti, kumhanya kunononoka kubva pano kuenda kunze. Kuti uzvinzwe, chiremba kana nyamukuta anoisa mudziyo unotakurika we Ultrasound unonzi Doppler padumbu rako kuti inzwi riwedzere.
Fetal heartbeat: yakawanda sei inorova
Iko kurova kwemoyo inotanga kuonekwa pa ultrasound pamavhiki matanhatu ekuzvitakura. Kurova kwemoyo we "fetus" muchikamu ichi kunowanzova pakati pe100 ne120 kurova paminiti (bpm).
Kurova kwemoyo we "fetus" kwakajairika (FHR) kunowanzova pakati pe120 ne160 kurova paminiti (bpm) munguva yemukati mechibereko. Inogona kuyerwa ultrasonographically kubva kumasvondo matanhatu, uye huwandu hwemazuva ose hunosiyana panguva yekuzvitakura, huchikwira kusvika pa6 bpm pamasvondo gumi uye zvichizoderera kusvika pa170 bpm panguva.
Evolution kuburikidza nekubata pamuviri
Kunyange zvazvo myocardium ichitanga kuita rhythmically mukati memavhiki matatu ekubata pamuviri (kubva pakuita depolarized myocardial pacemaker cells mukati memoyo embryo), inotanga kuonekwa paultrasound pamasvondo matanhatu ekuzvitakura. Naizvozvo, HRF inowanzotenderedza 100-120 kurova paminiti (bpm).
Iyo FHR inobva yawedzera zvishoma nezvishoma mumavhiki maviri kusvika matatu anotevera uye inova:
- ~110 bpm (avhareji) mukati memavhiki mashanu kusvika matanhatu
- ~170 bpm mumavhiki 9-10
Izvi zvinoteverwa nekudzikira kweFHR iyo, paavhareji, inova:
- ~150 bpm mumavhiki gumi nemana
- ~140 bpm mumavhiki gumi nemana
- ~130 bpm patemu
Kunyange zvazvo kurova kwemwoyo kuchiwanzoita mudumbu rine utano hwakanaka, kurova-kurova kwebhiti kunosvika 5 kusvika ku15 paminiti kunogona kubvumidzwa.
Related pathology
Kurova kwemoyo we "fetus" kunononoka kunonzi fetal bradycardia uye kazhinji inotsanangurwa se:
- FHR <100 bpm isati yasvika 6,3 mavhiki ekuzvitakura, kana
- FHR <120 bpm pakati pe6,3 ne7,0 mavhiki
Kukurumidza kurova kwemoyo we "fetus" kunonzi fetal tachycardia uye kazhinji inotsanangurwa se:
- FHR> 160-180 bpm 5,7
- Kurova kwemoyo kunosvika 170 bpm kunogona kuverengerwa seborderline fetal tachycardia
- Kurova kwemoyo we "fetus" nekukurumidza kunowanzozivikanwa se "fetus tachyarrhythmia".
Kurova kwemoyo kunonzwikwa nekutariswa sei
Kurova kwemwoyo wemwana kunogona kunzwika nenzira dzakawanda dzakasiyana, nguva nenguva (intermittent auscultation) kana kuti nguva dzose (electronic fetal monitoring (EFM).
intermittent auscultation
Ndipo panoteererwa kurova kwemwoyo wemwana wako nguva nenguva nepinadhi kana kamudziyo kadiki kanotakurika kanonzi Doptone.. Kana uine hutano hwakanaka uye wakaita pamuviri pakanaka, iyi ndiyo nzira inokurudzirwa yekuteerera kurova kwemwoyo wemwana wako panguva yekusununguka.
Vananyamukuta uye vanachiremba vanoteerera kurova kwemwoyo wemwana wako kweminiti yakazara, maminitsi gumi nemashanu ega ega kana kurwadziwa kwangoitwa, uyezve kakawanda sezvo kusununguka kunoswedera.
Kuenderera mberi kweElectroniki Fetal Monitoring (EFM)
Iko kupi kurova kwemwoyo wemwana wako kunoteererwa nguva dzose uchishandisa muchina unobudisa chinyorwa pabepa chinonzi cardiotocograph. (CTG). Muchina weEFM unoshanda nemapadhi maviri (transducers), imwe neimwe saizi yecoaster, yakasungirirwa padumbu ine maviri elastic tambo. Imwe yakamisikidzwa yakananga kumusoro kwedumbu rako, zvekuti iri pamusoro pekumusoro kwechibereko chako (chibereko) kuti utore mazamu ako; yechipiri ichaiswa padumbu rako, pamusoro penzvimbo iyo kurova kwemwoyo wemwana wako kunogona kunyatsonzwika.
Ruzivo rwakagamuchirwa kubva kune vashanduri hunoshandurwa nemagetsi mukati memuchina kuti ubudise printout papepa regirafu. EFM kushandisa maviri ekunze transducer inzira isiri-invasive. Dzimwe nguva, nokuda kwezvikonzero zvauchatsanangurirwa, kurova kwemwoyo wemwana kunoonekwa neelectrode duku inoiswa mumusoro wemwana uye yakabatanidzwa newaya nhete kumuchina, uye izvi zvinoreva kuti unofanira kuva nekurova kwemukati. kumukadzi). test kuti zviitike.
kuteerera
Mudziyo unozivikanwa sengirozi inorira (ngirozi inzwi) mudziyo wemumba unoona kurova kwemoyo we "fetus", rudzi rwe miniaturization ye detector inoshandiswa panguva yekushanya kwekubereka. Variko vane mahedhifoni kana ane sipika uye sikirini uye zvakakwana kuaisa padumbu kuti ateerere kurova kwemoyo wemwana.
Fetal heartbeat detectors zvigadzirwa zvakachengeteka uye zvakavimbika, chero zviine mucherechedzo wekubvumidzwa kupinza muEurope (iyo CE mucherechedzo), inovimbisa kunaka kwavo. Uye ivo zvakare vakachengeteka kune fetus.
abnormal fetal heart beat
Rhythm yemoyo une hutano inoda kurongeka kwakanyatso kupinza ropa mumuviri wese. Iyi rhythm inodzorwa nemagetsi emagetsi anobvumira kuzadza kwakabatana uye kubuda kwemakamuri mana emoyo. Mamiriro mazhinji anogona kuita kuti mafungiro emagetsi anodzora moyo ave asina kujairika.kukurumidza (tachycardia) kana kunonoka (bradycardia).
Fetal heart arrhythmia, kana kurova kwemoyo kusingaite, chikonzero chinowanzoendesa kune fetal cardiologist. Muzviitiko zvakawanda, kurova kwemwoyo kunononoka kana kuti kunyanyo kurumidza ndekwenguva pfupi. Muzviitiko izvi, timu yako ichanyatso tarisa kubata kwako. Isingasviki 2% ye fetal heartbeat irregularities inomiririra yechokwadi cardiac arrhythmias.
Pamasvondo gumi nematanhatu enhumbu, moyo we "fetus" unenge wakaumbwa zvakakwana uye unorova pakati pe16 ne110 kurova paminiti (bpm).
Fetal cardiac arrhythmias inowanzotsanangurwa seimwe yeinotevera:
- Bradycardia: kurova kwemoyo pasi pe100 bpm
- congenital heart block
- premature atrial contractions (Pac)
- supraventricular tachycardia o atrial flutter: kurova kwemoyo kunopfuura 180 bpm
Zviratidzo nezvikonzero
Mamiriro acho anowanzotanga kuonekwa apo chiremba anoteerera kurova kwemoyo we "fetus" mukati memavhiki gumi kusvika gumi nemaviri emimba. Zvakadaro, rhythm abnormality inogona kusatanga mimba isati yasvika. Amai kazhinji havana zviratidzo uye havaoni chero shanduko mukufamba kwe fetus.
Chikonzero che arrhythmias mazhinji hachizivikanwi, asi zvimwe zviitiko zvinogona kunge zvichikonzerwa nekusaenzana kwe electrolyte, kuzvimba, mishonga, kana kuti nhaka yekuzvarwa. Mhosva dzakakomba dze arrhythmia dzinogona kukonzerwa nekuremara kwemoyo, senge congenital heart block, kana neyakagarwa nhaka inozivikanwa seyakareba QT syndrome.
Kuongororwa uye kuongororwa
Kana arrhythmia ichifungidzirwa, mamwe maedzo anozorairwa, kusanganisira fetal echocardiogram. Muedzo uyu uchabatsira fetal cardiologist kuongorora kana arrhythmia yemwana wako inokonzerwa nedambudziko nechimiro chemoyo.