GI #2: SonoSim

GI Tract: Intestinal Ultrasound Technique

*Linear array* used to find appendix because it's good at finding superficial structures (high frequency).

GI Tract: *Test Question*

Appendix

Biliary: Anatomic Relationships

At the portal triad you will have the *mickey mouse sign*. Must be remembered.

Liver: Transverse Plane

Indicator to patients right side

GI Tract: Large Intestine Characteristics

Large intestine contains haustra.

Liver: Sagittal Plane

Main Lobar Fissure is important landmark connecting gallbladder and portal vein. Indicator towards head

Liver: Transverse Plane 2

Mantle Sign with SMA.

GI Tract: Jejunum and Ileum

Plicae Circulares only present in small intestine.

Biliary: Main Lobar Fissue

Sagital view

Biliary: Anatomic Characteristics

This is a transverse view. Gallbladder will always be more superficial.

Biliary: Ultrasound Position

Use a *curved array* for biliary. - Thin patient = Anterior location. - Obese = Laterally located (X minus 7).

Liver: Ultrasound Position

Used *curved array* with liver. Left Image: Use a transverse approach and have patient breathe in.