Lesson 19 (Part 1) Flashcards
How does the esophagus travel?
Posteriorly to trachea and pierces through the diaphragm
Where is the terminal esophagus?
Posterior to the left lobe of liver
Where does the stomach join the esophagus?
Esophagogastric junction
- EGJ
Where can you see the EGJ clearly?
By the proximal aorta
Is the stomach intra or retroperitoneal?
Intraperitoneal
Where is the stomach located?
Within left hypochondrium and epigastric regions
What parts make up the stomach?
- Cardiac
- Fundus
- Body
- Pylorus
What does the pyloric orifice do?
Communicates with the duodenum
What are the 3 sections of small bowel?
- Duodenum
- Jejunum
- Ileum
What is the shortest part of the small intestines?
Duodenum
Where does the duodenum extend?
From the stomach to the jejunum
How many sections of the duodenum are there?
4
What is the shape of the duodenum?
C shaped
Is the jejunum intra or retroperitoneal?
Intraperitoneal
Where is the jejunum located?
Occupies the umbilical and left iliac region
Where is the ileum located?
Occupies the umbilical , hypogastric, right iliac and pelvic regions
What is the largest part of the small intestines?
The ileum
How does the ileum terminate?
By opening into the inner side of the origin of the large bowel
- terminal ileum
Where does large bowl originate?
In the right inguinal region
Where does the large intestines extend from?
The ilium to the anus
What is the length and diameter of the large intestines compared to the small intestines?
The length is shorter but the diameter is larger
What kind of appearance does the large intestines have?
Segmented appearance from the haustra
What are the layer of the bowel? (5)
- Superficical Mucosa/interface
- Muscularis mucosa
- Submucosa
- Muscularis Propria
- Serosa or Adventitia/interface
What is the echogenicity of the superficical mucosa/interface bowel layer?
Hyperechoic
What is the echogenicity of the muscularis mucosa bowel layer?
Hypoechoic
What is the echogenicity of the submucosa bowel layer?
Hyperechoic
What is the echogenicity of the muscularis propria bowel layer?
Hypoechoic
What is the echogenicity of the serosa or adventitia/interface bowel layer?
Hyperechoic
What is the primary role with ultrasound when scanning the bowl? (2)
Looking for
- Appendicitis **
- Acute diverticulitis
What are less common things to find but need to be looked for when scanning the bowel? (3)
- Bowel cancer
- Crohn’s Disease
- Ulcerative colitis
Acute diverticulitis
Creates a pouch that bacteria gets stuck and creates problems
- occurs in older age
