S. pneumoniae, legionella, staph aureus, gram negative bacilli {Ans: ICU CAP}__________ is characterized by reversible airflow obstruction {Ans: Asthma}_______ ___________ in pleural fluid is indicative of exudative effusion {Ans: Light's criteria. 1. Protein/serum protein ratio greater than 0.5. 2. Lactate dehydrogenase (LDH)/serum LDH ratio greater than 0.6. 3. LDH level greater than two-thirds the upper limit of the laboratory's reference range of serum LDH.}AST is not very specific for liver disease except in... {Ans: ETOH}In ischemic stroke, permissive hypertension is allowed to help perfuse brain tissue in the immediate period of acute infarction t/f? {Ans: True. Permissive hypertension up to 185/110 is ideal, only treat for SBP >220.}Management of intracranial hemorrhage includes maintaining optimal CPP. How is CPP calculated? {Ans: MAP-ICP. Normal 60-100, keep >70}