Radiology Last Minute

VHS score average

9.7 +/- 0.5

breed differnces (mini schnauzer 11)

craniodorsal mediastinal width

< 2 x T2 width on DV view

pulmonary vessels

Ventral on Lateral

Central on VD/DV

Not larger than 9th rib where they cross

SI diameter in dogs

1.6 x central height of L5 on lateral view

SI diameter in cats

< 2 x cranial endplate of L2

12 mm MAX

Colon Diameter in dogs

< 1.5 x L7 length

Colon diameter in cats

< 1.28 x L5 length

renal length in dogs

2.5-3.5 x L2 length on VD

renal length in cats

1.9-3 x L2 on VD view

Vertebrate used for renal measurement for dogs and cats

L2

ureters

~ 2mm in diameter

terminate at trigone of urinary bladder in J shape

Ultrasound good resolution

Higher frequency, Short wavelength, short penetration

Ultrasound poor resolution

Lower frequency, long wavelength, long penetration

Diaphragm on DV

1 bump

Heart on DV view

shortened

round in deep chested dogs

5 ICS

Heart on VD view

Long heart - 6 ICS

Diaphragm on VD view

3 bump

Narrow IVD

C2-3 & T10-11

No IVD

C1-C2

Liver on US

Portal vein walls are BRIGHT -- fatty

hepatic vein walls -- NOT BRIGHT

Serosa

Echogenic - Bright

Muscular Layer

Hypoechoic - Dark

Submucosa

Echogenic - Bright

Mucosa

Hypoechoic - Dark

Surface of Mucosa

Echogenic - Bright