Measurements

Question 1

EPSS

Answer 1

E point septal separation (tells about LV function)

• M mode spike through tip of anterior mitral leaflet in parasternal long
• Measure space between the MV peak and the constant intraventricular septum line above

< 7 mm normal
> 10 mm CHF

Question 2

How long should B lines be?

Answer 2

Originate at pleural line and extend 18 cm

Question 3

What do different sizes of subpleural consolidations represent?

Answer 3

If < .5 cm - more likely viral PNA, contusion or atelectasis

If .5 - 3 cm - PE

If > 3 cm - more likely malignancy or bacterial PNA

Question 4

Aorta diameter

Answer 4

Normal < 3 cm

Surgery if > 5 cm

Question 5

IVC (M mode v. 2D)

Answer 5

M mode

• If < 1.5 cm vol down
• If > 2.5 cm vol up

2D (measure perpendicular in longitudinal view)

• If < 10 mm is hypovolemic
• If 15-20 mm normal

Question 6

IVC Collapse Index

Answer 6

(IVC max diameter - IVC min diameter) / IVC max diameter

Higher (75 -100%) means low volume
Lower (0-25%) means higher volume or overload

Question 7

GB Wall Thickening

CBD

Answer 7

GB Wall - A/P axis should be 3 mm or less

CBD measure inner walls (LUMEN), should be < 6 mm, get additional 1 mm for every 10 years over 60

Question 8

Appendix Wall

Answer 8

Outer wall to outer wall should be < 6 mm

Question 9

SBO

Answer 9

Luminal diameter > 25 mm

Question 10

Simple Ovarian Cyst

Answer 10

< 5 cm

Question 11

Post-void residual

Answer 11

length x width x height x .75 (in cm)

Measure x and y in longitudinal
Measure z (horizontal) in transverse view