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What is the formula for AA gradient?
PAO2 - PaO2 ****************************************** PAO2 is the Alveolar Air Equation: PAO2 = FiO2 (Pb- Ph20) - PACO2/R Notes: Pb = 760 mmHg Ph20 = 47 mmHg R = 0.8
What is a list of the normal arterial blood gas values?
There are many measures of Arterial Blood Gases. The most common measure oxygen (by PaO2) and carbon dioxide (by PaCO2) levels. Normal PaO2 is 80-100 mmHg. Normal PaCO2 is 35-45 mmHg. Bicarbonate is sometimes measured and its value is 22-26 mmHg. Other measurements are also taken depending on the situation. Source: http://en.wikipedia.org/wiki/Arterial_blood_gas
A paco2 of 65 and a pao2 of 88 what do these results mean?
high level of carbon dioxide in the blood stream which could be from a multitude of reasons. At 65 mm hg, the CO2 level is very high relative to normal range of 35 o 45. The PAO2 is in normal range at 88. The high PACO2 would cause the pH of the blood to be elevated without increased bicarbonates from the kidney or external delivery to compensate.
How do you calculate PAO2?
{(Pb-47)FIO2} - (PaCO2 X 1.25) "only use the 1.25 if FIO2 is >60%"
How do do the Alveolar air equation?
The alveolar air equation is: PAO2 = FiO2(Pb-47)-(PaCO2/R) where: PAO2 is the partial pressure of oxygen in alveoar gas; FiO2 is the fraction of inspired oxygen (on room air this would be 21%); Pb is the barometric pressure (at sea level this is 760 torr); 47 is the partial pressure of water vapor; PaCO2 is the partial pressure of carbon dioxide in blood; R is the V/Q mismatch, which is 0.8 unless stated otherwise So, if a person is breathing room air at sea level, their PaCO2 is in normal range (let's say 40mmHG, since normal is between 35-45mmHg), and their respiratory rate is 12: PAO2= .21(760-47)-(40/0.8); .21(713)-(50)= 149.73-50=99.73 So the PAO2= 99.73mmHg
Normal arterial blood gas values for a toddler?
Term infant to 2 years of age Ph7.3-7.4 Paco2 30-40 Pao2 80-100 Bicarb 20-22 Older than 2 are the same as adult values
What is the normal range of PAO2 - PaO2 for healthy young adults breathing room air?
10 - 15 mm Hg.
What are the normal arterial blood gas values?
The normal values for Areterial blood gas (for adults!) are as follows;Pao2 >> 12-15kPa (90-110mmHg)Paco2 >> 4.5-6.1kPa (34-46mmHg)Bicarbonate >> 21-27.5mmol/lH+ ions >> 36-44mmol/l (7.35-7.45 pH units)I also referred to the Baillière's Nurses Dictionary to check!
What is a normal PaCO2?
The PaCO2 range is 35 to 45 mmHg
What is HCO3-?
HCO3 is bicarbonate. Testing for HCO3 is usually done as part of arterial blood gas testing which determines whether the acid-base levels of the body are normal. Normal levels are pH 7.35-7.45, PaCO2 35-45 and HCO3 22-26. If the values for these measurements are outside the normal ranges, then the body has an acid-base imbalance. If the PaCO2 is off, the condition is a respiratory issue. if the HCO3 is outside the normal range, then it is a metabolic issue.
What is elevated PaCO2?
It's a level of carbon dioxide in the blood that's higher than normal.
What are the normal ranges for vitamins in the body?
The normal ranges for levels of certain vitamins are as follows
