the probe
pace at the
to dorsal third
omen. The liver,
colon (RDC) are
s characterised
e. Wall thickness
rmal, especially
e 7).
Image 3
06
Right middle third - move the probe systematically
Right middle third – move the probe
around
the middle one third of the abdomen. The
systematically around the middle one
caecum occupies the dorsal right paralumbar fossa and
third of the abdomen. The caecum occupies
the apex
extends to the ventral abdomen. Small pockets
the dorsal right paralumbar fossa and the
of peritoneal
fluid (hypoechoic)
be a normal
finding
apex extends
to the ventral can
abdomen.
Small
and pockets
assessment
of quantity
is (hypoechoic)
subjective and can
difficult.
of peritoneal
fluid
Haemorrhagic
is homogeneously
echogenic
be a normal fluid
finding
and assessment of
quantity and
may is appear
to swirl
Image 8).
subjective
and (haemoabdomen;
difficult. Haemorrhagic
Heterogeneous
fluid is usually
consistent and
with may
intestinal
fluid is homogeneously
echogenic
rupture.
appear to swirl (haemoabdomen; Image 8).
6
Heterogeneous fluid is usually consistent with
intestinal rupture.
Ultrasound images credit:
Lucy Meehan BVSc MSc CertAVP(VDI) DipECVDI MRCVS
References:
1. Abutarbush S.M., Carmalt J.L., Shoemaker R.W. (2005) Causes
of gastrointestinal colic in horses in western Canada: 604 cases
(1992-2002). Canadian Veterinary Journal 46: 800-805.
2. Abutarbush S.M. (2006) Use of ultrasonography to diagnose
large colon volvulus in horses. The Journal of the American
Medicine Association 228: 409-413.
3. Beccati F., Pepe M., Gialletti R., Cercone M., Bazzica C.,
Nannarone S. (2011) Is there a statistical correlation between
ultrasonographic findings and definitive diagnosis in horses with
acute abdominal pain? Equine Veterinary Journal Supplement
S39: 98-105.
4. Bithell S., Haberson-Butcher J.L., Bowen I.M., Hallowell G.D.
(2008) Repeatability and reproducibility of transabdominal
ultrasonographic intestinal wall thickness measurements in
thoroughbred horses. Veterinary Radiology and Ultrasound 49:
282-286.
5. Busoni V., De Busscher V., Lopez D., Verwilghen D., Cassart
D. (2011) Evaluation of a protocol for fast localised abdominal
sonography of horses (FLASH) admitted for colic. The Veterinary
Journal 188: 77-82.
6. Cook V.L., Hassel D.M. (2014) Evaluation of the colic in horses:
decision for referral. Veterinary Clinics of North America Equine
Practice 30: 383-398.
7. Fisher A.T. (1997) Advances in diagnostic techniques for horses
with colic. Veterinary Clinics of North America Equine Practice13:
203-219.
8. Freeman S. (2002) Ultrasonography of the equine abdomen:
techniques and normal findings. In Practice 24: 204-211.
9. Klohnen A., Vachon A.M., Fisher A.T. (1996) Use of diagnostic
ultrasonography in horses with signs of acute abdominal pain.
Journal of the American Veterinary Medical Association 209:
1597-1601.
10. le Jeune S., Whitcomb M.B. (2014) Ultrasound of the Equine
Acute Abdomen. Veterinary Clinics of North America Equine
Practice 20: 353-381.
11. Scharner D., Rotting A., Gerlach K., Rasch K., Freeman D.E.
(2002) Ultrasonography of the abdomen in the horse with colic.
Clinical Techniques in Equine Practice 1: 118-124.
Image 6
Image 8
7
Cranial Ventral Thorax – place the probe
in the intercostal space immediately caudal
to the right triceps muscle, ventrally to visualise
the cranioventral abdomen, including the liver.
Cranial Ventral Thorax - place the probe in the
intercostal space immediately caudal to the right triceps
muscle, ventrally to visualise the cranioventral abdomen,
Your complete
including
the liver. animal imaging solution
4
hird – move the probe
round the middle one third
n. Assessment of small intestinal
nce of gas filled colon can be
position.
13/03/2019 13:07
07
Image 7