practice measurements

liver

15-17cm

mpv

<1.3cm

CBD

<.5cm/<.5mm

cystic duct

<4mm

CHD

<4mm

gallbladder

7-10cm

gallbladder trv

3-5cm

gallbladder thickness

<.3cm/<.3mm

pancreas length

12-18cm

pancreas head

2-3cm

pancreas body

2-3cm

pancreas tails

1-2cm

pancreatic duct

<2mm

kidneys length

9-12cm

kidney width

4-6cm

kidney AP

2.5-4cm

renal cortex

>1cm

RI

<.7

RAR

<3.5

MRA

<180cm/s

bladder wall thickness

distended <3mm nondistended <5mm

spleen length

8-13cm

spleen width

7cm

spleen ap

3-4cm

testicles

4×3×3cm

prostate

4×3×3cm

variocele

>2mm

epididymis

6-15cm

thyroid length

4-6cm

thyroid width

1.5-2cm

thyroid ap

2-4cm

isthmus

<1cm thick

parathyroid gland

5×3×1cm

appendix

<6mm diameter

intestinal wall/thickness

3-5mm

pyloric cross section

<1.5cm

pyloric channel length

<1.2cm

pyloric muscle thickness

<4mm

SMA velocity

>275cm/s

Celiac artery velocity

>200cm/s

aorta

2-3cm

aorta male

2cm+/-2.5mm

aorta female

1.7cm+/-1.5mm

IVC

<2.5cm

uterus menarcheal

L 6-8cm AP/W 3-5cm

uterus nulliparous

L 6-8cm AP/W 5-6cm

uterus parous

L 8-10cm AP/W 5-6cm

uterus post

L 3-5cm AP/W 2-3cm

endo menarcheal

2-14mm

endo premenopausal

10-12mm

endo postmenopausal

<5mm

endo postmenopausal on HRT

<8mm

ovaries premenopausal

3x2x2cm

ovaries postmenopausal

2x1x1cm

fallopian tubes

10-12cm

cervix

3-4cm

placenta trv

3-5cm

AFI

5-22cm

lateral ventricles

<10mm

cisterna magna

<11mm

cerebellum

= as gestational age

fetal heartbeat

90-180BPM

lymph nodes

1-1.5cm

ABI

1-<1.4

ECA

<150cm/s

ICA

PS 125cm/s ED 40cm/s

CCA

PS <125cm/s ED <40cm/s

VA

<50cm/s