Ultrasound (main): Difference between revisions
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==AAA== | ==AAA== | ||
*Measure outer wall to outer wall from diaphragm to bifurcation | *Measure outer wall to outer wall from diaphragm to bifurcation | ||
**Will avoid being fooled by an intramural thrombus | |||
**Scan in both transverse and longitudinal axes | |||
**Normal is <3cm | **Normal is <3cm | ||
Revision as of 23:11, 19 April 2011
Gallbladder
- GB wall is normally <3-4mm
- CBD
- Measure from inner to inner
- Normal is up to 6mm to age 69 (add 1mm per decade thereafter)
- Acalculous cholecystitis
- GB is >10cm long & >4 cm wide
AAA
- Measure outer wall to outer wall from diaphragm to bifurcation
- Will avoid being fooled by an intramural thrombus
- Scan in both transverse and longitudinal axes
- Normal is <3cm
Cardiac
- Normal aortic root is <3.8 cm (parasternal view w/ dot pointing to Lt arm)
FAST
- Always point dot to pt Rt (usu at 45 degrees) or @ pt head
- Morrison's Pouch
- Best seen w/ probe around mid ax to ant ax line (esp w/ pt in trendelenberg)
- Splenorenal
- Place probe in post ax line
Source
By Lampe (9/04)