practical pulmonary physiology
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| Normal oxygen sat. | 92 to 99
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| On the oxyhemoglobin dissociation curve a shift to the left means | hypoxemia, hypothermic, alkalosis the hemoglobin is holding onto oxygen
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| On the oxyhemoglobin dissociation curve a shift to the right means | patient is hyperthermin or pao2 is slightly highter, hemaglobin lets go of oxygen easier
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| You do not want your pao2 less than | 60
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| how is the right bronchi different than the left | shorter and more direct angle
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| The movement of air between the alveoli and the atmosphere | Ventilation
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| Movement of CO2 and O2 between alveoli and capillaries | Diffusion
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| movement of O2 from the lungs to the tissues and from the tissues to the lung | transport
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| a measurement of the distensibility of the pulmonary tissue | Lung compliance
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| a measurement of the opposition of flow of gases through the airway | airway resistance
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| increases the work of breathing and requires more pressure to ventilate the patient | todecreased compliance or increased resistance
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| tidal volume X resp rate = | minute volume
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| air moved in and out of the lungs in one min | Minute volume
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| normal VE (minute volume) | 6-10
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| results when resp rate or tidal volume are inadequate and there is an increase in PaCO2 and hypoventilation occurs | low VE less than 6
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| response to high CO2 production, CNS response in attempt to maintain normal PaCO2 | high VE greater than 10
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| High VE and and increase in PaCO2 equals | patient cant meet ventilatory demand leading to resp failure
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| optimal gas exchange occurs when thre is ideal matching of | ventilation and perfusion
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| shunt blood from the right heart to the left heart with out picking up O2 | anatomic shunt
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| not enough ventilation but good perfusion | Physiologic shunt
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| more ventilation with poor perfusion | physiologic deadspace
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| primary cause of hypoxemia | shunting
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| treatment for a VQ mismatch | cough, suction, lung expansion therapy and mobilize the patient
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| esitmated shunt refers to | PaO2/FiO2 ratio
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| the oxygen dissolved in the serum is refered to | PaO2
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| the oxygen combined with Hgb is refered to as | SaO2
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| this tells the amount of tissue perfusion | SvO2
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| the measure of total amount of O2 carried in the blood including the plasma | CaO2
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