7 French<unk>  inserted through sheath introducer into the right side of the heart to measure CVP and<unk><unk>  pressures
Uses the principle of balloon flotation
Small balloon inflated at tip of<unk> 
Allows tip to travel through right atrium to right ventricle to<unk><unk> 
Has two ports; one rests in right atrium and second rests in<unk><unk> 
Normal pressures:
RA: 2-6 mmHg
RV: 20-30/0-5 mmHg
PA: 20-30/5-15 mmHg
PCWP: 4-12 mmHg
Small balloon inflated at tip of<unk> 
Allows tip to travel through right atrium to right ventricle to<unk><unk> 
RA: 2-6 mmHg
RV: 20-30/0-5 mmHg
PA: 20-30/5-15 mmHg
PCWP: 4-12 mmHg
Pulmonary artery catheter
Thoracic lavage
Pericardiocentesis
Thoracotomy
Thoracotomy 
Bubble study
Chest tube
Chest tube 