Exam (elaborations)
ABIM – Pulmonary questions with correct answers
- Course
- Institution
A-a gradient formula and normal range Correct Answer-PAO2- PaO2 PAO2 = FiO2 x (Patm- Ph20) - (PCo2/RQ) PAO2 = 150 - (PCO2/0.8) Normal is 10-250 Increased A-a gradient Correct Answer-- VQ mismatch (ex. COPD, PE, PNA) - responds to 100% O2 - Right to left shunt (ex. ARDs - Decreased diffusion...
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