In what ER condition might you expect to see Ventilation-Perfusion Mismatch?
Pulmonary embolism
What might you see with PaCO2 and PCO2 in dehydration?
Low CO, reduced pulmonary blood flow, so you can’t eliminate CO2 well, this will lead to a large difference between PaCO2 and PCO2
Chest sound in pneumothorax
Hyperresonant, absent breath sounds
ABG with PE
Might not see anything - might see low O2/CO2 and Resp Alk
COPD with prolonged QT
No AZT give Doxy