verified detailed answers
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Which of the following values should the respiratory therapist report as indicative of
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pulmonary embolism in a patient with acute dyspnea? || || || || || || ||
A.QS/QT of 10% || ||
B.VD/VT of 60% || ||
C.CL of 60 mL/cm H2O
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D.RAW of 2.4 cm H2O/L/sec - ✔✔B.VD/VT of 60%
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Three primary sites for obtaining an ABG - ✔✔Radial
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Brachial
Femoral
A common set of rules developed to differentiate between random errors and true out-of-
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control situations - ✔✔Westgard Rules
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Calculates the partial pressure of oxygen (PO2) in the alveoli - ✔✔Alveolar Air Equation
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Alveolar Air Equation (PAO2) - ✔✔(Pb-PH2O)FiO2 - PaCO.8
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Estimates the oxygen carried by the hemoglobin as well as that dissolved in the plasma -
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✔✔Arterial Oxygen Content (CaO2) || || ||
Arterial Oxygen Content equation - ✔✔(HB * 1.34 * SaO2) + (PaO2 * 0.003)
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, Acceptable Oxygenation - ✔✔80-100 with 21-100% fio2
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PaO2 Below 80 with FiO2 21-59% interpretation - ✔✔Can be caused by:
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1.Poor Ventilation (high PaCO2)
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2. V/Q mismatch
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Increase ventilation ||
Increase FiO2 up to 0.60 || || || ||
PaO2 below 80 with FiO2 60+% interpretation - ✔✔Shunt, refractory hypoxemia, venous
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admixture
Start or increase CPAP or PEEP
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PaO2 above 100 with FiO2 22-100 interpretation - ✔✔Caused by:
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Over oxygenation
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Decrease FiO2,PEEP, or CPAP || || ||
Maximal inspiration followed by a maximal exhalation without force - ✔✔VC/SVC
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SVC will provide the important volumes used to identify...? - ✔✔Restrictive Diseases
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What is vital capacity made up of? - ✔✔IRV + Vt + ERV
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