Ọrụ nke obi bụ ịgbanye ọbara nke na-asa akụkụ ọ bụla nke ahụ. Ọbara na-eburu oxygen na nri dị mkpa maka anụ ahụ ma wepụ ihe ndị na-adịghị mma. Ọ bụrụ na mgbapụta nke obi na-akụghasị, akụkụ ahụ na-amalite ịda ngwa ngwa. Ya mere, ndụ n'onwe ya dabere na ịrụ ọrụ nke ọma, na-arụ ọrụ mgbe niile.
Obi bu akwara muscle dika oke aka gi. Dika obi obi na-eme nkwekọrịta ma ọ bụ na-emechi ya, ọ na-eme ka ọbara dị n'ime usoro ahụ. A na-ahazi ime ụlọ na valvụ ka ọ na-eduzi ọbara ọbara dịka obi na-ada.
Ụlọ Obi na Valves
Obi nwere ụlọ anọ. Abụọ ventricles (n'aka nri na aka ekpe) bụ ụlọ ndị nwere ike ime ka ọbara si n'obi. Ngwunye ventricle kwesịrị ekwesị ọbara na akpa ume, na nkwụnye ventricle aka ekpe ọbara na akụkụ ndị ọzọ niile.
Atria abụọ (n'aka nri na aka ekpe) jide ọbara ahụ na-alọghachi n'obi, na mgbe ọ bụ oge kwesịrị ekwesị abaghị na ventricles aka nri na aka ekpe.
Mkpụrụ obi obi anọ (tricuspid, ermonary, mitral na aortic) na-eme ka ọbara ahụ na-agagharị na ndu ziri ezi site n'obi.
Ọ bara uru iji anya nke uche hụ na obi na-arụ ọrụ dị ka nfuli abụọ dị iche iche, na-arụ ọrụ n'usoro; obi nri ziri ezi, na aka ekpe ekpe.
Obi Mgbochi Kwesịrị Ekwesị
Akpịrị ọkụ nke ezi obi bu ihe nrịba nke ọma, eriri tricuspid, ventricle kwesịrị ekwesị, valvụ pulmonic, na akwara mgbọrọgwụ. Ọrụ ya bụ ijide n'aka na "ọbara" eji ebuteghachi ya na ikuku oxygen. Ọbara nke ọbara na-agbapụta n'ime obi si n'ahụ anụ ahụ na-abanye n'ọdụ ụgbọ mmiri kwesịrị ekwesị. Mgbe nkwekọrịta atria ahụ, valvụ tricuspid ahụ meghere ma kwe ka a kpụ ọbara ahụ site n'aka nri dị na ventricle kwesịrị ekwesị.
Mgbe ahụ, mgbe nkwekọrịta ventricle kwesịrị ekwesị, valve tricuspid ahụ mechie (iji gbochie ọbara ịsaghachi azụ gaa na nri aka nri), valvụ pulmoniki meghere - ya mere a na-efesa ọbara site n'aka ventricle kwesịrị ekwesị ma gaa na akwara pulmonary na akpa ume, ebe a na - ejupụta ya na ikuku oxygen.
Ọkụ aka ekpe ekpe
Ekpu aka ekpe nke aka ekpe nwere atrium ekpe, valve mitral, ventricle aka ekpe, valvụ aortic, na aorta. Ọrụ ya bụ ịmịnye ọbara oxygen bara ọgaranya n'ahụ anụ ahụ. Ọbara nke na-alaghachi n'obi site n'akpa ume na-abanye na atrium aka ekpe. Mgbe nkwekọrịta atria ahụ, valvụ valị ahụ meghere ma kwe ka ọbara banye n'aka ventricle aka ekpe. Mgbe ventricle aka ekpe na-arụ ọrụ n'otu oge ka e mesịrị, valvụ valị ahụ mechie ma valvụ aortic meghere. A na-esi ọbara n'aka ventricle ekpe, gafee eriri mmiri, na n'ahụ ahụ.
- Na-aguta ihe banyere mgbochi akwa.
- Na-agụ banyere mwepụ regurgitation.
- Na-aguta banyere stenosis aortic.
- Na-aguta banyere regurgitation aortic.
Ọchịchị Cardiac
Ị nwere ike ịnụ banyere otu echiche a na-akpọ okirikiri obi. Naanị, "okirikiri obi obi" bụ otu ụzọ ndị dọkịta si ekewaa ọrụ nke obi n'ime ụzọ abụọ - usoro nke diastolic na usoro nke systolic.
N'ọnọdụ diastolic, abụọ ventricles na-ezuru onwe ha ma jupụta n'ọbara site na abụọ atria. Na mpaghara nke usoro, ndị ventricle abụọ ahụ na-eme nkwekọrịta.
Nkọwa okwu a bara uru n'ọtụtụ ụzọ. Dịka ọmụmaatụ, mgbe anyị na-atụgharị nrụgide ọbara, anyị na-atụle nrụgide na akwara n'oge ọ bụla nke obi mgbaji - systolic na diastolic. Ya mere, a na-akọ ọbara mgbali dị ka nọmba abụọ, dị ka 120/80. N'ebe a, ọbara ọbara na-eme ka ọ bụrụ ọbara (nrụgide dị elu n'oge ventricles na-eti) bụ 120 mmHg, na nrụgide diastolic (nrụgide n'oge ezumike nke ventricular) bụ 80 mmHg.
Ọzọkwa, mgbe ndị ọkà mmụta obi ha na-ekwu okwu banyere obi mgbawa, ha na-ekwupụtakarị ma nkwụsị nke ọrịa obi na-emetụta akụkụ mkpụrụ ndụ nke mkpụrụ obi (dịka na cardiomyopathy ), ma ọ bụ akụkụ diastolic (dịka nke na- adịghị mma diastolic ). Usoro ọgwụgwọ kwesịrị ekwesị na-achọ ime nke a.
Gụọ banyere ọdịdị nke akwara ọbara akwara.
Isi mmalite:
Otto CM. Akwụkwọ ọgụgụ nke Echocardiography Clinical, mbipụta nke anọ, Saunders Elsevier, 2009.