Respiratory

Question 1

Simple pneumothorax investigation

Answer 1

Erect CXR

ABG if SaO2 <92%

Question 2

Primary simple pneumothorax management

Answer 2

If <2cm rim and not SOB: discharge with outpatient follow-up in 4 weeks

If >2cm or SOB: aspirate - attempt twice, if still unsuccessful, insert a chest drain

Question 3

Secondary simple pneumothorax management

Answer 3

If <2cm rim, not SOB, and <50yrs: aspirate with 14-16G needle safety triangle

If >2cm or SOB or >50yrs: insert chest drain