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Phase 2 - ABG

phase 2 block 3 - ABGs

Normal Hypoxemia 80-100mmHg
Mild Hypoxemia 60-79mmHg
Moderate Hypoxemia 40-59mmHg
Severe Hypoxemia < 40mmHg
Age correction for Hypoxemia: every year over age 60 subtract 1 mmHg from 80mmHg
PaO2 < 40mmHg = severe hypoxemia
Pa02 < 60-65mmHg = indicates hypoxemia
CaO2 / Oxygen content (Hb x 1.34 x SaO2) + (PaO2 x .003)
CaO2 normal 17-20mL O2/dl
PAO2 [(PB-47) x FiO2] - PCO2 x 1.25
PAO2 normal @ rest on RA 5 - 15mmHg
PAO2 @ exercise on RA 15 - 30mmHg
PAO2 on 100% O2 25 - 65mmHg
V/Q mismatch 66 - 300mmHg
Shunt >300mmHg
P/F ratio PaO2/FiO2
P/F normal 380 - 480
P/F acute lung injury <300
P/F acute respiratory distress <200
Oxygen Index (O/I) PIP x FiO2 / PaO2
Oxygen Index normal <10
Adult arterial pH 7.40 (7.35-7.45)
Adult arterial PCO2 40 (35-45)
Adult arterial PO2 97 (80-100)
Adult arterial HCO3 24 (22-26)
Adult arterial BE 0 (+/- 2)
Adult arterial Hb 14 (12-16)
Adult arterial CaO2 20 ( 17-20)
Adult arterial COHb <2%
Adult arterial MetHb <1%
Adult venous pH 7.35
Adult venous PCO2 46
Adult venous HCO3 40
Adult arterial BE 0
Adult venous Hb 14
Adult venous SvO2 70-75%
Adult venous CvO2 15
Neonate pH 7.33
Neonate PCO2 47
Neonate PO2 60
Neonate HCO3 25
Neonate BE - 4
If temperature increases pH decreases
Created by: hspointon