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pco2 is partial pressure of o2 in the capillary and paco2 is partial pressure of co2 in the arteries. So, one is a measurement of O2 and the other is CO2

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13y ago
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7mo ago

PCO2 refers to the partial pressure of carbon dioxide in the blood, while PaCO2 specifically refers to the partial pressure of carbon dioxide in arterial blood. Arterial blood is the blood that has been oxygenated in the lungs and is then circulated to the rest of the body. The PaCO2 measurement is more precise and important in clinical assessments compared to just PCO2.

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Q: What is the difference between pco2 and paco2?
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What are the normal measure for arterial pco2?

35-45 mm Hg --- The normal PaCO2 (arterial partial pressure of carbon dioxide in the blood) is 40mmHg. There is a normal range, which is 35-45mmHg. For those with COPD 60 or below is good.


How do you define the Paco2-PeCo2 equation?

It is part of the anatomic dead space calculation. PaCO2 (arterial carbon dioxide) minus PeCO2 (end tidal CO2) The formula for calculating anatomic dead space (the space where there is ventilation without perfusion in the respiratory system, between mouth and terminal bronchi) PaCO2-PeCO2/PaCO2. Accurate values for calculation need to be obtained from an ABG (arterial blood gas)


Is Alveolar PCO2 identical to atmospheric PCO2?

No, it is higher or the CO2 would not move out of the lungs.


What is the best index of effective ventilation?

PaCO2


What element decreases in hyperventilation?

decreased PAco2


What regulates activities?

pco2


The relative PO2 and PCO2 in pulmonary arteries and veins and systemic arteries and veins?

In pulmonary arteries, PO2 is around 40 mmHg and PCO2 is around 46 mmHg. In pulmonary veins, PO2 is around 100 mmHg and PCO2 is around 40 mmHg. In systemic arteries, PO2 is around 100 mmHg and PCO2 is around 40 mmHg. In systemic veins, PO2 is around 40 mmHg and PCO2 is around 46 mmHg.


What organ excretes paco2?

the aveoli in the lungs and skin


What are the normal ranges for PaO2 and PaCO2?

95-100


What are the units for pCO2?

The units for pCO2 are typically expressed in millimeters of mercury (mmHg) or in kilopascals (kPa).


What is a normal PaCO2?

The PaCO2 range is 35 to 45 mmHg


When PCO2 declines bronchioles?

constrict