Tupu iji:
1. Lelee mkpuchi tube na ahụ tube nke onye na-anakọta agụụ.Ọ bụrụ na mkpuchi tube tọpụrụ ma ọ bụ ahụ tube mebiri emebi, amachibidoro iji ya.
2. Lelee ma ụdị arịa nnakọta ọbara dabara n'ụdị ụdị a ga-anakọta.
3. Kpatụ arịa ọbara niile nwere ihe mgbakwunye mmiri iji hụ na mgbakwunye anaghị anọgide na okpu isi.
Iji:
1. Họrọ ebe mgbapu ma banye nke ọma na agịga ka ịzenarị ọbara na-adịghị mma.
2. Zere "nkwụghachi azụ" na usoro nke ntanye: na usoro nchịkọta ọbara, na-agagharị nwayọọ mgbe ị na-atọpụ eriri eriri pulse.Ejila eriri nrụgide siri ike gabiga ókè ma ọ bụ kee eriri nrụgide maka ihe karịrị nkeji 1 n'oge ọ bụla n'oge usoro nsị.Akwụsịla eriri nrụgide mgbe ọbara n'ime oghere oghere kwụsịrị.Debe ogwe aka na oghere oghere na ọnọdụ ala (ala nke tube dị n'okpuru mkpuchi isi).
3. Mgbe etinyere agịga tube plọg puncture agịga n'ime oghere ọbara nnakọta arịa, jiri nwayọọ pịa oche agịga nke tube plug puncture agịga iji gbochie "agịga bouncing".
Mgbe ejiri ya:
1. Adọpụla agịga venipuncture mgbe oghere nke arịa mkpokọta ọbara na-apụ n'anya kpamkpam, ka ọ ghara igbochi ọnụ agịga mkpokọta ọbara ka ọ na-agbapụta ọbara.
2. Mgbe nchịkọta ọbara gasịrị, a ga-atụgharị arịa nchịkọta ọbara ozugbo iji hụ na agwakọta ọbara na ihe mgbakwunye zuru oke.
