Pulmonary artery catheter: Difference between revisions
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==Overview== | ==Overview== | ||
*7 French catheter inserted through sheath introducer into the right side of the heart to measure CVP and pulmonary artery pressures | *7 French catheter inserted through [[sheath introducer]] into the right side of the heart to measure CVP and pulmonary artery pressures | ||
*Uses the principle of ''balloon flotation'' | *Uses the principle of ''balloon flotation'' | ||
**Small balloon inflated at tip of catheter | |||
**Allows tip to travel through right atrium to right ventricle to pulmonary artery | |||
*Has two ports; one rests in right atrium and second rests in pulmonary artery | |||
*Normal pressures: | |||
**RA: 2-6 mmHg | |||
**RV: 20-30/0-5 mmHg | |||
**PA: 20-30/5-15 mmHg | |||
**PCWP: 4-12 mmHg | |||
==Indications== | ==Indications== | ||
Latest revision as of 14:20, 24 April 2021
Overview
- 7 French catheter inserted through sheath introducer into the right side of the heart to measure CVP and pulmonary artery pressures
- Uses the principle of balloon flotation
- Small balloon inflated at tip of catheter
- Allows tip to travel through right atrium to right ventricle to pulmonary artery
- Has two ports; one rests in right atrium and second rests in pulmonary artery
- Normal pressures:
- RA: 2-6 mmHg
- RV: 20-30/0-5 mmHg
- PA: 20-30/5-15 mmHg
- PCWP: 4-12 mmHg