Stack #121551
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| ODC shift left | More alkalosis, less DPG, hemoglobin has more affinity for O2, P50 decreases, Hgb is more saturated at a given PO2.
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| ODC shift right | More acidic, more DPG, hemoglobin has less affinity for O2, P50 increases, Hgb is less saturated at a given PO2.
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| Normal P50 | 27mmHg
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| CO2 diffusion rate | 20 times faster than O2
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| Dead space | anatomic 1ml per pound, alveolar dead space can not be calculated, physiological dead space the sum of alveolar and anatomical deadspace.
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| Anatomic Shunt (true shunt) | The portion of cardiac output that enters the left side of the heart without comming in contact with an alveolus for gas exchange.
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| Causes of Anatomic Shunts | Congenital heart disease, Intrapulmonary fistula, Vascular tumors.
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| Capillary Shunt (true shunt) | No gas exchange at alveoli.
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| Absolute shunt | When more O2 doesn't help/ refractory to oxygen therapy.
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| Shunt-like effect | When pulmonary capillary perfusion is in excess of alveolar ventilation.
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| Causes of Capillary Shunts | Atelectasis, alveolar fluid accumulation, or consolidation.
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| % of total CO2 transported to the lungs in RBC's by bicarbonate (HCO3) | 63%
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| The Haldane Effect | Deoxygenated blood enhances loading of CO2 and oxyegnated blood enhaces the offload of CO2.
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| The Bohr Effect | The effect of PCO2 and PH on the oxyhemoglobin curve.
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| Anatomic Shunt normals | 2 to 5%
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| Things that move ODC right | Temp increase, PCO2 increase, PH decrease (more H+), DPG increase.
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Created by:
pima respiratory
Popular Respiratory Therapy sets