Chii chinokonzera kuderera kweokisijeni yeropa?

A.

Kana ichinge yaonekwa kuti kuzara kweokisijeni yemurwere yakabatana zvakananga netambo yeECG inoderedzwa, zvinotevera zvinofanirwa kutariswa chimwe nechimwe kuti chiwane dambudziko.
1. Kudzvinyirirwa kweokisijeni yakafemeswa kwakaderera here?Kana iyo okisijeni yemukati mumhepo inofefetwa isingakwani, kuzara kweokisijeni muropa kunogona kuderera.Varwere vanofanira kubvunzwa kana vakamboenda kunzvimbo dziri pamusoro pe3000m pamusoro pegungwa, vachibhururuka munzvimbo dzakakwirira, kukwira mushure mekunyura, uye nzvimbo dzisina kufema zvakanaka zvichienderana nenhoroondo yezvokurapa.

1.Pane kuvharika kwemhepo here?Izvo zvinodiwa kuti utarise kana paine chinovharira hypoventilation chinokonzerwa nezvirwere zvakaita seasthma neCOPD, kudonha kwerurimi, uye kubuda kwekufema.

2.Does theSpO2 sensorvane kutadza kufema kwemhepo nekuda kwekuderera kweokisijeni?Funga kana murwere ane mabayo akanyanya, tibhii yakanyanya, diffuse pulmonary fibrosis, pulmonary edema, pulmonary embolism nezvimwe zvirwere zvinokanganisa mhepo.

3.Ndeipi hutano uye huwandu hweHb inotakura oxygen muropa?Kuitika kwezvinhu zvisina kujairika senge carbon monoxide poisoning, nitrite poisoning uye abnormal hemoglobin kuwedzera kwete zvakanyanya kukanganisa kutakurwa kweokisijeni muropa, asiwo zvakanyanya kukanganisa kusunungurwa kweokisijeni.

B.
1.Kuti murwere ane yakakodzera colloid osmotic pressure uye uwandu hweropa.Yakakodzera colloidal osmotic pressure uye huwandu hweropa hwakakwana ndizvo zvinhu zvakakosha kuchengetedza yakajairika oxygen saturation inoratidzwa neakura munwe clip.SpO2 sensor.

2.Chii chinonzi cardiac yemurwere?Huwandu hweokisijeni inounzwa kuchengetedza mitezo yakajairika inofanirwa kutsigirwa nemoyo wakakwana.

3.Microcirculation yematishu uye nhengo.Kana kuchengetedza okisijeni kwakaringana zvine chekuitawo nemetabolism yemuviri.Kana metabolism yemuviri yanyanya kukwira, iyo okisijeni iri muropa re venous inodzikira zvakanyanya, uye ropa re venous rinokonzeresa yakanyanya hypoxia mushure mekuvhara kutenderera kwepulmonary.

4.Shandisa okisijeni muzvikamu zvakapoteredza.Matishu maseru anogona chete kushandisa okisijeni yemahara, uye okisijeni yakasanganiswa neHb inogona chete kuburitswa kune tishu kuti ishandiswe.Shanduko mupH, 2,3-DPG, nezvimwe zvinokanganisa kuparadzaniswa kweokisijeni muHb.

5. Mushure mokubvisa zvinhu zvose zviri pamusoro apa, tapota usakanganwa kuti izvi zvinogona kukonzerwa nekudonha kwekuzara kweokisijeni kunokonzerwa nekusashanda kwechigunwe chikuru cheminwe.

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