Abdomen 1 and 2: (Complete) Flashcards
State the regions of the 2 vertical and 2 horiontal lines that split the abdomen into 9 regions.
Vertical: Left and Right midclavicular vertical planes
Horizontal: Subcostal and Intertubercular horizontal planes

Name the 9 divisions of the abdomen
Right hypochondriac
Epigastric
Left hypochondriac
Right lumbar
Umbillicus
Left Lumbar
Right inguinal
Suprapubic
Left inguinal

The subcostal plane is located at which vertebral level?
L3
The intertubercular plane is located at which vertebral level?
L5
The ASIS is located at which vertebral level?
S2
How is the transpyloric plane determined and what vertebral level is it?
Transpyloric is midway between sternal border (superior border of manubrium) and the pubic symphysis
L1

State how to divide the abdomen into four quadrants?
Vertical line from umbilicus and horzitonal line from umbillicus
Vertical line: Sagittal plane
Horizontal line: Transumbilical plane

How can you find the supracristal plane and what vertebral level is it located?
Located at the highest point of the iliac crest
Vertebral level L4

The muscles and skin of the anterolateral abdominal walls is innervated by which nerves?
Anterior rami of thoracic nerves T7-12

The groin is innervated by which nerves?
L1 spinal nerve

The perineal area is innervated by which nerves?
S3 and S4 spinal nerves

The epgastric region is innervated by which 2 spinal nerves?
T7
T8
The umbilical region is innervated by which spinal nerves?
T10
Describe the movements of the abdominal wall, liver, kidney and spleen during inspiration
Abdominal wall: Moves outwards
Liver, kidney and spleen: Move downwards
Distended and everted umbilicus may indicate?
Umbilical hernia

Abnormally enlraged veins on the abdominal wall may indicate either which of two things?
Portal hypertension or obstructed inferior vena cava

Assymetry of abdominal wall may indicate?
A localised mass

Abdominal swelling should be considered caused by which two things?
Ascites (fluid collection in peritoneal cavity)
Bowel obstruction
Tenderness with minimal pressure over a wider area of the abdomen may be due to which two things?
Anxiety
Peritonitis
Voluntary contraction in response to palpation causing pain is known as?
Voluntary guarding
What is a involuntary guarding of the abdominal wall and what does it indicate?
A reflex contraction in which the abdominal wall shows minimal if any movement during respiration
Usually indicated inflammation of the peritoneum
If there is sharp pain induced when the abdominal wall is compressed slowly and then released suddenly, this is usually indicative of? What is this known as?
Generalised or localised peritonitis
This is known as rebound tenderness
Rebound tenderness is indicative of?
Peritonitis
What are the two main objectives of auscultation?
Detecting bowel sounds
Identifying vascular bruits









































