Kuyeza kwazitsulo kumatanthawuza njira yomwe imapangidwa ndi thupi kuti ikhale ndi madzi a thupi pafupi ndi pH ndale. Pochita zimenezi, madzi amthupi amawasunga kuti asakhale acidic (omwe ali ndi asidi ochuluka kwambiri) kapena osowa kwambiri (ali ndi zamchere kwambiri). Mlingo woyenerera wa asidi-m'munsi umalola kuti thupi lizigwira ntchito mofanana, kapena kukhazikika.
Kodi Thupi Lachibadwa ndi PH?
Thupi pH limayesedwa pa mlingo kuchokera 1 mpaka 14 ndi 1 kukhala yowonjezereka kwambiri ndi 14 kukhala yowonjezera.
Thupi lachibadwa pH liri pakati pa 7.35 ndi 7.45.
- Ngati thupi pH ndilopitirira 7.35, thupi ndi "acidotic."
- Ngati thupi pH liposa 7.45, thupi ndilo "lokhalitsa" kapena "lofunika."
Ngati thupi lili ndi thanzi labwino, limayang'anira pH mosamala kupyolera mu impso (pochotsa kapena kusunga zidulo ndi maziko) kapena kupyolera m'mapapu (mwa kupuma mofulumira kapena pang'onopang'ono.) Zakudya zimapangidwa ndi thupi lokhazikika la chakudya, mapuloteni, ndi mafuta omwe impso zimapatsa mphoto pochotsa asidi.
Thupi pH Kuyeza
Thupi pH limayesedwa kupyolera mu mayesero osiyanasiyana omwe angaphatikizepo pH ya magazi mu mitsempha, kuphatikizapo mlingo wa electrolytes mu plasma.
Malipiro
Ngati pH ya thupi imakhala kunja kwachibadwa, thupi limagwirira ntchito kubwezeretsa "homeostasis" kapena chikhalidwe chofanana. Imachita izi ndi:
- Ndalama zamphongo - Impso zingayambitse pH ndi excreting asidi kapena kusunga bicarbonate (maziko.)
- Malipiro a ziweto - Ngati pH ikugwa, mwa kuyankhula kwina, ngati thupi lili ndi mphamvu, kupuma kungawonjezere mpweya woipa kuti ukhazikitse bwino.
Zovuta
Kawirikawiri, PH ya thupi ili mkati mwazing'onozi. Ngati odwala sangathe kulipira kusintha kwa pH, mwachitsanzo, chifukwa cha matenda aakulu, kuchepa kwa magazi, kapena kuperewera kwa zakudya, chikhalidwe cha asidi ochulukirapo kapena maziko akhoza kuchitika. Izi zingaphatikizepo zotsatirazi:
Mavitamini Acidosis
Mu mavitamini a acidosis pali kuchuluka kwa thupi la asidi - mwa kuyankhula kwina, pH ya thupi imakhala pansi pa 7.35.
Zomwe zingayambitse izi ndi izi:
- Chilombo cha shuga ketoacidosis
- Lactic acidosis
- Kutsekula m'mimba
- Kulephera kwa impso
- Mankhwala monga aspirin
Mankhwala a Metabolic Alkalosis
M'thupi lamagetsi, kuchuluka kwa bicarbonate kumawonjezeka, kawirikawiri chifukwa cha kutayika kwa zidulo zamagetsi. Zinthu zomwe zingayambitse izi zikuphatikizapo:
- Kugwiritsidwa ntchito kwa diuretics (mapiritsi a madzi)
- Kuthamanga
- Mankhwala monga steroids
- Cushing's syndrome
Kupuma kwa Acidosis
Mu kupuma kwa acidosis, thupi limakhala ndi mpweya wochuluka wambiri wa carbon dioxide womwe umapangitsa thupi kukhala losavuta kwambiri pH. Zinthu zomwe zingayambitse izi zikuphatikizapo:
- Hypoventilation - Mwa kuyankhula kwina, kupyolera mu kupuma kosazama kapena kosavuta
- COPD ndi matenda ena a m'mapapo
- Kuchuluka kwa opioid ndi mowa
Kupuma kwa Alkalosis
M'mapweya opuma, mpweya wochuluka wa carbon dioxide umachotsedwa ndi mapapo. Zinthu zomwe zingayambitse izi zikuphatikizapo:
- Hyperventilation pa mpweya wabwino
- Matenda a chiwindi
- Mimba
- Septicemia ndi matenda ena aakulu
- Fever
- Nkhawa
Chitsanzo
Mankhwala a asidi-m'munsi mwa munthu amene ali ndi COPD nthawi zina amakhudzidwa chifukwa cha kupuma kosapindulitsa ndi kupanga carbon dioxide. Izi nthawi zina zingayambitse kupuma kupuma, chimodzi mwa mavuto a COPD.
Komanso: pH ndalama
Zotsatira:
Ayers, P., Dixon, C., ndi A. May. Matenda a m'madzi: kuphunzira zofunikira. Chakudya m'zochita zothandizira . 2015. 30 (1): 14-20.
Gooch, M. Kuzindikira kusanthana kwa asidi-base ndi electrolyte. Namwino Wothandiza . 2015. 40 (8): 37-42.