Abdomen Flashcards
Where is the trans tubercular plane?
L5. Horizontal line joining left and right iliac tubercles.
Where is the subcostal plane?
L2/L3. Horizontal line joining right and left costal margins in mid axillary lines.
Where is the transpyloric plane?
L1. Tips of the 9th CCs
How to separate the abdomen into 4 regions?
Vertical line from xiphisternum to PS. Transumbilical plane.
At what level is the umbilicus?
L3/4
At what level is the xiphisternal joint?
T8/9
At what level is the tip of the 9th CC?
L1
At what level is the supracristal plane?
L4
At what level are the iliac tubercles?
L5
At what level are ASIS & PSIS/sacral dimples?
S2
At what level is the midpoint of the sacroiliac joint?
S2
Sternal angle/manubriosternal joint?
T4/5
Where is the gall bladder located?
Where the transpyloric line meets the right MCL. Tip of the right 9th CC, or where lateral border of rectus abdominis crosses costal margin.
Where is the spleen located?
Lt side, 9,10,11 ribs between erector spinae muscles and MAL
How to divide abdomen into 9 regions?
Transpyloric plane, Transtubercular plane (L5), MCLs
What structures lie at L1 (transpyloric plane)?
Hilum of kidneys, 1st part of duodenum, origin of SMA, splenic vein, neck of pancreas
Upper border of the liver?
Midrespiration: Rt 5th rib and CC across sternum to 5th ICS MCL LHS.
Oblique border of the liver?
5th ICS LHS through tips of 8/9th CC, to Rt MAL
Right border of liver?
Joins upper and oblique border, ascending upwards across Rt margin of thoracic cage.
What are the liver landmarks?
3 borders. Upper, oblique (lower) and right.
Inguinal ligament?
ASIS to Pubic tubercle
Spleen landmarks?
Lt side. Surface mark 10th rib. Palpate from costal margin at MAL for reference. Border = between erector spinae muscle and between MAL.
Describe the kidneys.
5cm from lumbar vertebrae. Lt kidney is higher at 11th rib, rt kidney is at 12th rib. Hilum is at transpyloric plane (L1). Covered posteriorly, inferior pole is 3-4cm above iliac crest.
Hepatic and splenic flexures are in front of the lower part of the kidneys?
Correct. Anterior to the inferior part of the kidneys.
Hepatic and splenic flexures are in front of the lower part of the kidneys?
Correct. Anterior to the inferior part of the kidneys.
Hepatic and splenic flexures are in front of the lower part of the kidneys?
Correct. Anterior to the inferior part of the kidneys.
Kidney palpation
Lie flat. Use both hands.
McBurneys point?
Is the root of appendix. Line from Rt ASIS to Umbilicus. Lateral 1/3rd.
Sacrotuberous ligament?
From ischial tuberosity to sacrum