A patient presents with sudden onset of breathlessness after a subclavian vein cannulation.On examination, breath sounds are absent while the chest is hyper-resonant on percussion on one side.Most likely cause is:

A patient presents with sudden onset of breathlessness after a subclav

1.	A patient presents with sudden onset of breathlessness after a subclavian vein cannulation.On examination, breath sounds are absent while the chest is hyper-resonant on percussion on one side.Most likely cause is:
A.	Malposition of cannula
B.	Cardiac Arrhythmia
C.	Iatrogenic Pneumothorax
D.	Subclavian Vein air embolus
Answer» D. Subclavian Vein air embolus