Ƙara Koyo game da Wannan Matsala ta ECG
Idan likita ya gaya maka cewa kana da damun sashi, wannan yana nufin cewa na'urarka na electrocardiogram (ECG) tana nuna alamar bambanci, marar kyau. A cikin wannan labarin zamu tattauna game da abin da alamar reshe ke nunawa, kuma wace tambayoyi za ku iya tambayar likitan ku.
Kayan Kayan Kayan Kayan Kayan Kayan Lantarki na Kayan Kaya
Ƙididdigar rassan sune wani muhimmin ɓangare na tsarin lantarki na zuciya , tsarin da yake sarrafa ƙirar zuciya kuma yana daidaita aikin aikin motsawa na zuciya.
Zuciyar tana damuwa a mayar da martani ga sigina ta kansa. Yayin da aka rarraba sigin na'urar lantarki a cikin zuciya, ƙirar ƙwayar zuciya. Sabili da haka, tsarawar da aka tanadar da lokaci na motsin wutar lantarki yana da mahimmanci ga aiki mai kyau na zuciya.
Sigin wutar lantarki na zuciya ya samo asali ne a cikin kuskuren sinus a cikin atrium na dama a sama, ya shimfiɗa a ko'ina atria (haddasa atria ta doke), sa'an nan kuma ya wuce ta kodin AV . Tsayawa kullun AV, wutar lantarki ta shiga cikin ventricles ta hanyar ɓangaren ƙwayoyin zuciya da aka kira shi. Daga sahunsa, damfin wutar lantarki ya shiga cikin rassan guda biyu: rassan dammar dama da reshe na hagu. Hatsun dama da hagu rassan rabawa ragowar wutar lantarki a gefen dama da hagu na ventricles, wanda ya sa su yi nasara. Lokacin da rassan rassan suna aiki a al'ada, kwangilar haɗin gwiwar dama da hagu a kusan lokaci daya.
Wani ECG shine wakilci ne na lantarki yayin da yake motsawa ta zuciya. Kwayar QRS shine abin da masu kirkiro ke kira wani ɓangare na ECG, ɓangaren da ke nuna alamar lantarki kamar yadda aka rarraba ta cikin reshen reshe a cikin ventricles.
A cikin adadi a sama, Ƙungiyar A ta nuna abin da ƙwayar QRS ta dace daidai da ECG daidai.
(Ga wadanda suke da sha'awa, wannan adadi yana nuna jagorancin na daga ECG 12). Tun da dukkanin ventricles suna karɓar motsin wutar lantarki a lokaci ɗaya, ƙwayar QRS na yau da kullum ba ta da iyaka (yawanci kasa da 0.1 na biyu a tsawon lokaci). Hakan da aka samu na duka ventricles ya dogara da nauyin lantarki yana tafiya a gefen dama da hagu a kusa da irin gudunmawar.
Block Branch Block: Definition
Ayyukan rassan rassan shine rarraba yaduwar wutar lantarki ta wutar lantarki ta hanyar ventricles da kyau, don haka lokacin da ventricles kwangila (don fitar da jinin daga zuciya), suna yin haka a cikin tsarin da aka tsara da kuma ingantacce. Ƙungiyar mai ladabi mai kyau tana ba da wutar lantarki zuwa hannun dama, kuma bangaren reshe na hagu ya ba da motsi a hannun hagu na vent.
A cikin tarin shinge, ɗaya ko duka biyu rassan rassan biyu ba su sake watsa tasirin lantarki kullum. Wannan yakan faru ne a sakamakon cutar ko lalacewa daya daga cikin rassan rassan, kamar yadda zai iya faruwa da infarction na sirri (ciwon zuciya) ko kuma tare da cardiomyopathy .
Duk da haka, damun reshe na sashi zai iya faruwa saboda babu dalilin da ya sa mutane masu lafiya.
Lokacin da motsin wutar lantarki ya jinkirta zuwa ga ventricle na ciki, jinkirta ya nuna a matsayin tsari na musamman a kan ECG da ake kira tarin shinge. Babban mahimmancin shinge na sashi shine cewa yana rushe makirce-rikice na biyu na ventricles. Rashin ƙaddamarwa na daya ventricle (wanda yana da "reshe" sashi reshe reshe) ya faru kadan bayan sabuntawa na daya, maimakon a lokaci guda.
Ka lura da cewa yayin da aka yi amfani da "reshen" reshe mai amfani, ƙwayar cuta ta shafa za ta iya ko ba za a iya "katange" ba. A lokuta da dama, ba a rufe kullun ba, amma a maimakon haka ne kawai yake ɗaukar motsin lantarki da sannu a hankali kishiyar reshe reshe.
Abin da Block Branch Block yana kama da ECG
Mutanen da suke da ƙwayar shinge suna da nau'in shinge mai karfi (RBBB) ko sashin reshe na sashi (LBBB), wanda ya dogara da wane ɓangaren rassan guda biyu ya shafi. Ƙananan B da C a cikin kwatancin suna nuna canje-canjen halayen da ke faruwa a cikin ƙwayar QRS lokacin da mutum ya bar kofar haɓaka reshe ko dama. A cikin waɗannan lokuta, ƙwayar QRS ya fi girma fiye da al'ada, tun da yake yana da tsayi don sigina na'urar lantarki ta hanyar rarraba wutar lantarki. Halin ƙwayar QRS ya nuna abin da reshe reshe (hagu ko hagu) yana jawo tasirin wutar lantarki ba daidai ba.
Wasu lokuta, ana shafar rassan rassan guda biyu, kuma nau'in shinge na sashi a kan ECG ba a gane shi a fili ba a matsayin korafin dama ko hagu reshen reshe. A wannan yanayin, ana dauke da mahimmin shinge mai lakabi a matsayin "jinkiri na intraventricular lokaci".
Cutar cututtuka da matsalolin
A mafi yawancin lokuta, damun sashin reshe ba ya samar da alamun bayyanar. Duk da haka, a cikin ƙwayar cuta mai tsanani na iya ƙwace ikon wutar lantarki don isa ko dai ventricle na iya zama mai dadi sosai. A cikin waɗannan lokuta, zubar da jini zai iya ɓacewa gaba ɗaya don isa ga ventricles, wanda zai haifar da cikakke zuciya - wanda zai iya haifar da syncope ko mutuwar zuciya ta kwakwalwa .
Wani lokaci mafanin shinge zai iya nuna cewa akwai matsala ta zuciya. Don haka a lokacin da aka gano shinge mai sutura, mafi yawan likitoci zasu bada shawara akan ƙwaƙwalwar ƙwaƙwalwar zuciya (mafi yawancin lokuta, wani echocardiogram ).
Ta yaya An Gudanar da Block Branch?
Yawancin lokaci, rassan reshe yana kan kanta bai bukaci magani ba. Duk da haka, a wasu lokuta mutane da kewayar sashin layi na hagu sun karbi mai sassauki , musamman, wanda ya sake daidaitawa da kwakwalwar su .
Kalma Daga
Ƙungiyar reshe na ƙulla shi ne sananne a cikin ECG. Duk da yake mutanen da ke da suturar ƙwayar cuta suna karɓar karfin zuciya na zuciya don neman zuciya mai cututtukan zuciya, a mafi yawan lokuta kamfanonin sashin kanta ba shi da matsala mai mahimmanci.
> Source:
> Surawicz B, Childers R, Deal BJ, et al. AHA / ACCF / HRS Shawarwari don Tattaunawa da Fassarar Electrocardiogram: Sashe na III: Ƙwararren Ƙwararrakin Intraventricular: Sanarwar Kimiyya daga Cibiyar Harkokin Ƙungiyar Amurkancin Amirka ta Electrocardiography da Arrhythmias Committee, Majalisar kan Kwayar Clinical Cardiology; Cibiyar Kwalejin Kwayoyin Kimiyya ta Amirka; da kuma Ƙarin Rhythm Society. Ƙungiyar Ƙasa ta Duniya ta amince da shi don Computer Electrocardiology. J Am Coll Cardiol 2009; 53: 976.