I-echocardiogram - ebizwa nangokuthi uhlolo lwe-echo - luvivinyo oluwusizo kakhulu ekuhloleni isimo senhliziyo - ikakhulukazi, ama-valves enhliziyo, nokusebenza kwensimu yenhliziyo. Ngakho-ke i-echocardiogram iyasiza kakhulu ekuhloleni ukuthi kungenzeka yini izifo ze-valve senhliziyo , nesifo sofuba senhliziyo ezifana nesifo sofuba sokuphefumula noma i- hypertrophic cardiomyopathy .
Kuyinto yokuhlolwa okungavumelekile okuphephile ngokuphelele, futhi uma ihunyushwa yizinhliziyo ze-cardiologists eziqeqeshiwe kahle, inembile kakhulu.
I-Echocardiogram Yenziwa Kanjani?
I-echocardiogram ukuhlolwa okulula okwenzile. Uzolala etafuleni lokucwaninga, futhi ochwepheshe uzobamba i-transducer (idivaysi efana negundane lekhompyutha) ngokumelene nesifuba sakho, ngokuyihambisa kancane kancane. (I-technician izosebenzisa i-gelini efana ne-Vaseline esifubeni sakho ukusiza ekuthungeni i-transducer.) Ungase ucelwe ukuba ugijime ohlangothini lwakho ngesikhathi sokuhlolwa, noma ubambe umoya wakho imizuzwana embalwa. Ukuhlolwa ngokuvamile kuthatha imizuzu engu-30 kuya ku-60 ukuqedela.
I-Echocardiogram isebenza kanjani?
I-transducer efakwe esifubeni sakho ithumela amagagasi omsindo enhliziyweni. Njenge-sonar emkhunjini, amagagasi omsindo avusa izinhlaka zenhliziyo, futhi uma ebuya ziqoqwa yi-transducer. Amagagasi aphikisayo abuyela emuva aqhutshwa yikhompyutha, futhi ayethulwa kwesikrini sekhompyutha njengesithombe senhliziyo yokushaya.
Ngokuhambisa i-transducer phezu kwodonga lwesifuba futhi ukuyiqondisa ngezindlela eziqondile, ochwepheshe ngokuvamile uyakwazi ukubona ngeso lengqondo izinhlaka ezibalulekile zenhliziyo.
Yiziphi ezinye zezinguquko ezisetshenziswe nge-Echocardiogram?
Ngezinye izikhathi ama-Echocardiograms asetshenziselwa ngokuhambisana nokuhlolwa kokucindezeleka . Isivivinyo se-echo senziwa ekuphumuleni, bese siphindwa ngesikhathi sokuzivocavoca ukuze sibheke izinguquko emsebenzini we-muscle wenhliziyo ngesikhathi sokuzikhandla.
Ukuwohloka kwemisipha ngesikhathi sokuzivocavoca kungabonisa isifo se-artery coronary .
Imakrofoni ekhethekile (ebizwa ngokuthi imakrofoni ye-Doppler) ingasetshenziswa ngesikhathi sokuhlolwa ukukala ukuhamba kwegazi ezindaweni ezingaphakathi kwenhliziyo. Lolu lwazi lungasiza ekuhloleni umsebenzi we-valve senhliziyo - ikakhulukazi uma kusolwa ukuthi ukubuyiswa kwe-mitral noma ukuvuselelwa kwe-aortic .
I- echocardiogram ye-transesophageal ingenza izithombe zezinhliziyo zomzimba ezinzima ukuzibona kuhlolo olujwayelekile lwe-echo, futhi inikeza indlela yokukhiqiza izithombe ze-echo ngesikhathi sokuhlinzwa kwenhliziyo lapho ukufinyelela esifubeni ngokwayo kungatholakali ku-echocardiographer.
Iyini i-Echocardiogram Okuhle?
I-echocardiogram ibonisa ulwazi olubalulekile mayelana nesimo senhliziyo.
Kuwusizo ngokukhethekile ukuthola izinkinga nge-valves yenhliziyo (njenge- aortic stenosis noma i- mitral valve prolapse ). Kuyasiza kakhulu ekuhloleni isifo senhliziyo esiswini, njenge-tetralogy ye-Fallot.
Mhlawumbe ukusetshenziswa okuvame kakhulu kwe-echocardiogram kuhlolisisa umsebenzi jikelele we-ventricle kwesokunxele. Ngokuyinhloko, ukuhlolwa kwe-echo yi-test esetshenziselwa kakhulu ukukala ingxenyana ye-ventricular ejection . Ngenxa yokuthi ukuhlolwa kwe-echo akuyona engavamile futhi iphephile, ingxenyana ye-ejection ingalinganiswa kaningi uma kunesidingo ukuze kuhlolwe ukusebenza kwezokwelapha ezihlukahlukene zenhliziyo ezigulini ezinokuhluleka kwenhliziyo .
Yiziphi Ezinye Izilinganiso Ze-Echocardiogram?
Ngenkathi i-echocardiogram inikeza ulwazi oluningi mayelana nesifo senhliziyo, asikwazi ukuveza imishanguzo ye- coronary , noma i-coronary blockages. Uma kudingeke ukuthi ucabange ukuthi izifo zomzimba zidingeka kanjani, i- catheterization yomzimba ijwayele ukuqhutshwa.
Kubantu abanezinhlobo ezithile zomzimba (udonga olukhulu lwesifuba, isibonelo, noma i-emphysema), i-echocardiogram kungenzeka ingakwazi ukubonisa izakhiwo zenhliziyo. Uma ukuhlolwa kwe-echo kuyadingeka kulaba bantu, i-echocardiogram ye-transesophageal ingasiza.
> Imithombo:
> Otto, CM. I-Bookbook ye-Echocardiography Clinic, u-3rd ed, WB Saunders, Philadelphia 2004.
> Kastelein, JP, de Groot, E. "Izindlela Zokucabanga Zama-Ultrasound for the Evaluation of Therapies." I-European Heart Journal 29: 7 (2008): 849-58. 15 Okthoba 2008
> Lang RM, Bierig M, Devereux RB, et al. Izincomo ze-Chamber Quantification: Umbiko ovela kwiKomidi Lezinkombandlela Nezilinganiso ze-American Society of Echocardiography kanye neQembu le-Quantification Yokubhala, elakhiwe ngokubambisana ne-European Association of Echocardiography, iBatsha le-European Society of Cardiology. J Am Soc Echocardiogr 2005; 18: 1440.