Insert 5 cm 14 to 16 gauge IV<unk>  catheter attached to syringe along superior margin of 2nd or 3rd rib in midclavicular line
Evidence suggests lowest failure rate of<unk>  decompression is at the 4th/5th rib space along the anterior axillary line 
Advance<unk>  until air is aspirated to syringe
Withdraw<unk> 
Leave angiocatheter open to air
Immediate rush of air out of chest = tension pneumothorax
Follow immediately with standard<unk>  tube
Evidence suggests lowest failure rate of<unk>  decompression is at the 4th/5th rib space along the anterior axillary line
Needle thoracostomy
Finger thoracostomy
Thoracotomy 
Thoracotomy
Thoracic lavage
Pulmonary antibiotics
Chest tube
Chest tube 