IVC ultrasound: Difference between revisions
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*Inferior vena cava ultrasound measurements | *Inferior vena cava ultrasound measurements | ||
*>50% collapse correlates with CVP <8 | *>50% collapse correlates with CVP <8 | ||
*Unclear if able to use in intubated patients | |||
==Measurements== | ==Measurements== | ||
Revision as of 03:31, 31 October 2011
Background
- Inferior vena cava ultrasound measurements
- >50% collapse correlates with CVP <8
- Unclear if able to use in intubated patients
Measurements
| IVC | % Collapse during inspiration^ | CVP |
| <1.5cm | >50% | 0-5 |
| 1.5-2.5cm | >50% | 5-10 |
| 1.5-2.5cm | <50% | 10-15 |
| >2.5cm | Little phasicity | 15-20 |
^Measure ~2cm from IVC/RA junction