Lesson 1 (Part 1) Flashcards
Operator dependent
Describes how each ultrasound can be different when done by 2 different people using the same machine
What organs are in the right hypochondriac region? (3)
- Liver
- Gallbladder
- Right kidney
What organs are in the epigastric region? (4)
- Liver
- Stomach
- Pancreas
- R/L kidney
What organs are in the left hypochondriac region? (4)
- Liver (tip)
- Stomach
- Left kidney
- Spleen
What organs are in the right lumbar region? (4)
- Liver (tip)
- Small intestines
- Ascending colon
- Right kidney
What organs are in the umbilical region? (4)
- Stomach
- Pancreas
- Small intestines
- Transverse colon
What organs are in the left lumbar region? (3)
- Descending colon
- Small intestines
- Left kidney
What organs are in the right iliac region? (3)
- Small intestines
- Appendix
- Cecum and ascending colon
What organs are in the hypogastric region? (3)
- Small intestines
- Sigmoid colon
- Bladder
What organs are in the left iliac region? (3)
- Small intestines
- Descending colon
- Sigmoid colon
Sagitall
Being cut into left and right sides in a longitudinal manner
Transverse
Being cut into top and bottom portions in an axial manner
Coronal
Being cut into posterior and anterior (front and back) in a longitudinal plane
How does fluid appear on an ultrasound?
Anechoic
What are 3 examples of fluids you might see in an ultrasound?
- Urine
- Water
- Blood
How does bone appear on an ultrasound?
White defined lines
What 3 examples of structures in the body that would appear anechoic on an ultrasound?
- Bile ducts
- Stomach
- Bladder
Sonographic parameters
Terms used to describe structures in ultrasound
What are 4 sonographic parameters?
- Echogenicity
- Echotexture
- Size
- Contour
Echogenicity
Ability to bounce an echo
- appears as different shades of grey
What is echogenicity used for?
To differentiate between different structures in the body
What is an example of echogenicity?
The spleen is hyperechoic compared to the liver
- the spleen appears brighter
What is the echogenicity between kidneys and the spleen?
The kidneys is hypoechoic compared to the spleen
- kidneys > liver > spleen
What are 5 echogenic terms?
- Hypoechoic
- Hyperechoic
- Isoechoic
- Anechoic
- Echogenic
Hypoechoic
Darker than surrounding tissues
Hyperechoic
Brighter than surrounding tissue
Isoechoic
Same echogenicity as surrounding tissue
Anechoic
No echoes
- appears black
Echogenic
Producing echoes
- bright
