Kodi chifukwa cha kuchepa kwa oxygen m'magazi ndi chiyani?

A.

Zikapezeka kuti kudzaza kwa okosijeni kwa wodwalayo kulumikizidwa mwachindunji ndi chingwe cha ECG kumachepetsedwa, zinthu zotsatirazi ziyenera kuganiziridwa chimodzi ndi chimodzi kuti tipeze vutoli.
1. Kodi mphamvu ya okosijeni wokokera pang'ono ndi yochepa kwambiri?Mpweya wa okosijeni mu mpweya wouzirawo ukakhala wosakwanira, kuchuluka kwa okosijeni m'magazi kumatha kuchepa.Odwala ayenera kufunsidwa ngati adakhalapo kumapiri okwera pamwamba pa 3000m pamwamba pa nyanja, akuwuluka pamalo okwera, okwera pambuyo podumphira, komanso malo opanda mpweya wabwino kutengera mbiri yachipatala.

1.Kodi pali cholepheretsa kuyenda kwa mpweya?M'pofunika kuganizira ngati pali obstructive hypoventilation chifukwa cha matenda monga mphumu ndi COPD, lilime dontho, ndi kupuma katulutsidwe.

2. KodiSensor ya SpO2ali ndi vuto la mpweya wabwino chifukwa cha kuchepa kwa oxygen?Taganizirani ngati wodwala chibayo kwambiri, chifuwa chachikulu, diffuse pulmonary fibrosis, pulmonary edema, pulmonary embolism ndi matenda ena omwe amakhudza mpweya wabwino.

3.Kodi Hb yomwe imanyamula mpweya m'magazi ndi yanji komanso kuchuluka kwake?Kupezeka kwa zinthu zachilendo monga poizoni wa carbon monoxide, poizoni wa nitrite ndi kuwonjezeka kwa hemoglobini sikumangokhudza kwambiri kayendedwe ka mpweya m'magazi, komanso kumakhudza kwambiri kutulutsidwa kwa mpweya.

B.
1.Kaya wodwala ali ndi colloid osmotic pressure yoyenera ndi kuchuluka kwa magazi.Kuthamanga koyenera kwa colloidal osmotic komanso kuchuluka kwa magazi ndizomwe zimapangitsa kuti mpweya wabwino ukhale wabwinobwino womwe umawonetsedwa ndi chala chachikulu.Sensor ya SpO2.

2.Kodi zotsatira za mtima wa wodwalayo ndi ziti?Kuchuluka kwa okosijeni woperekedwa kuti asunge ziwalo zokhazikika ziyenera kuthandizidwa ndi mtima wokwanira.

3.Microcirculation ya minofu ndi ziwalo.Kaya kusunga mpweya wabwino kumagwirizananso ndi kagayidwe ka thupi.Pamene kagayidwe ka thupi kachuluke kwambiri, mpweya wa okosijeni m'magazi a venous umachepa kwambiri, ndipo magazi a venous amayambitsa hypoxia yoopsa pambuyo poletsa kuyenda kwa m'mapapo.

4.Gwiritsani ntchito mpweya m'magulu ozungulira.Maselo a minofu amatha kugwiritsa ntchito mpweya waulere, ndipo mpweya wophatikizidwa ndi Hb ukhoza kutulutsidwa ku minofu kuti igwiritsidwe ntchito.Kusintha kwa pH, 2,3-DPG, etc. kudzakhudza kusokonezeka kwa mpweya mu Hb.

5. Pambuyo pochotsa zinthu zonse zomwe zili pamwambazi, chonde musaiwale kuti izi zikhoza kuchitika chifukwa cha kuchepa kwa mpweya wa okosijeni chifukwa cha kusagwira ntchito kwa cholembera chala chachikulu.

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