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What happens to blood gases in a patient with emphysema?
Decreased Oxygen, increased CO2, Acidosis
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
Which malfunction of the human body is characterized by an enlargement and degeneration of the alveoli resulting in a decreased lung capacity?
emphysema (C)
Why would toes still be numb and tingling after returning to sea level from an altitude of 15000 feet?
Numbness will last till the decreased oxygen returns to normal levels in the body. (PAO2)
How is lung structure affected by emphysema?
Emphysema is destruction of the lungs. It is usually caused by smoking but can also be from other toxins or genetics. The decreased lung tissues causes the airways to collapse and wheezing to be heard.
If PAO2 is low and bicarb is low what is the problem?
If PAO2 is low...... Then PaO2 would be low........ Then low SaO2.....then low content CaO2..... Then low DO2.... Then Hypoxia.....lactic acidosis( anaerobic glycolysis), isn't it?
What is the normal range of PAO2 - PaO2 for healthy young adults breathing room air?
10 - 15 mm Hg.
What is importance of PaO2?
A PaO2 is the level of oxygen in your arterial blood. If it is too low, it can cause significant loss in brain function. It can also cause organ failure. If the PaO2 is low, it will cause shortness of breath and also confusion.
What are the normal ranges for PaO2 and PaCO2?
95-100
What is the pao2 when the Oxygen Saturation 90 percent?
60
Is pao2 and po2 the same?
yes they are just the same
How do you increase pao2 with mechanical ventilation?
In manual ventilation you can increase the PaO2 by hyperventilating the patient, by increasing the respiratory rate and/or by increasing the volume of air that you deliver to the patient. If using a BVM for example, compressing the bag faster and/or harder will increase the arterial oxygen pressure, but there is a limit to what you can do with manual ventilation. Perfusion in the lungs has a major impact on PaO2. Also, the blood chenistry (anemia or CO2 poisoning) for example will dramatically decrease the PaO2. Sometimes no matter how much you hyperventilate the person, low PaO2 can't be corrected.
