Organ Surface Anatomy

Question 1

lungs

Answer 1

supraclavicular fossa to diaphragm

Question 2

heart

Answer 2

2nd to 6th intercostal spaces, right parasternal to left mammillary line; inferior surface rests on diaphragm

*caution when needling CV 14, CV 15, KI 21, ST 19

Question 3

liver

Answer 3

under diaphragm, right subcostal to midline;
upper border runs from 7th ICS on right mid-axillary line, to 5th ICS on midclavicular line, to xiphosternal joint on midline to the 5th costal cartilage on the left midclavicular line;
lower border runs from 11th ICS on right mid-axillary line across lower border of costal arch to costocartilage joint of the 8th and 9th ribs to 3 cm below xyphoid process

can extend below costal line if enlarged

Question 4

spleen

Answer 4

beneath 9th, 10th, and 11th ribs on left

can extend below if enlarged, even to right iliac fossa

Question 5

kidneys

Answer 5

posterior abdominal wall b/w T12 - L3, deep to paravertebral muscles

*oblique needling BL 24 and up

Question 6

bladder

Answer 6

behind pubic symphysis

can extend to CV 4 if full

Question 7

pleura

Answer 7

extends from supraclavicular fossa to 8th rib on midclavicular line, to 10th rib on mid-axillary line, and 12th rib on lateral border of erector spinae muscle

Question 8

stomach

Answer 8

upper left quadrant of the peritoneal cavity