3. Lung relations Flashcards Preview

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Flashcards in 3. Lung relations Deck (20):
1

the common carotid birfucates at area by vertebrate

C4

2

The trachea bifurcates at

T4

3

the abdominal aorta bifurcates at

L4

4

if you aspirate a peanut while upright: it enters

lower portion of right inferior lobe

5

if you aspirate a peanut while supine: it enters

superior portion of right inferior lobe

6

Right lung has.... lobes

3

7

Left lung has ... lobes

2 Lobes AND LINGULA

8

which lung is more common site for inhaled foreign body and why

Right lung because the right main stem bronchus is wider and more vertical than left

9

Lingula is homolog to

right middle lobe

10

right main stem bronchus vs left main stem bronchus

the right stem bronchus is wider and more vertical than the left

11

the relation of pulmonary artery and bronchus at each lung hilum is describeb by

RALS
right:anterior
left: superior

12

bifurcation at L4

abdominal aorta

13

bifurcation at T4

trachea

14

bifurcation at C4

common carotid

15

• A patient has penetrating trauma to the diaphragm at the level of T8. What vascular structure is the trauma surgeon most concerned about?

The inferior vena cava, which passes through the diaphragm at the level of T8 (8 letters in vena cava)

16

At what level does the esophagus perforate the diaphragm?

T10 (10 letters in [o]esophagus)

17

What three structures perforate the diaphragm at the level of T12?

The aorta (red), thoracic duct (white), and azygos vein (blue) (at T-1-2, it's the red, white, and blue—12 letters in aortic hiatus

18

Which tendon can be found on the inferior aspect of the diaphragm surrounding the caval and esophageal hiatuses?

The central tendon

19

What mnemonic can be used to recall the levels at which certain anatomic structures perforate the diaphragm?

I (IVC) ate (8) ten (10) eggs (esophagus) at (aorta) twelve (12)

20

• The abdominal aorta bifurcates at ____ (C4/T4/L4), common carotid at ____ (C4/T4/L4), and trachea at ____ (C4/T4/L4).

L4, C4, T4 (all are bifourcations)