Understanding abdominal ultrasonography in horses: which way is up?
Abstract: The recent introduction of more affordable and portable ultrasound equipment makes it possible to perform transabdominal ultrasonography on equine patients in the field. Clipping the hair is not always necessary: intraabdominal structures can be quickly evaluated by soaking hair with isopropyl alcohol and using a 3.0- to 3.5-MHz curvilinear transducer. The ultrasonographer must be acquainted with the location and architecture of normal intraabdominal structures and simultaneously mindful of the depth of the viewing field, the tissue interface densities, the orientation of the transducer relative to the patient, and the image projected on the monitor. A clinician's working knowledge of these elements is the key to building confidence in distinguishing normal from abnormal ultrasonographic findings.
Publication Date: 2011-10-14 PubMed ID: 21993992
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Summary
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The research is about understanding abdominal ultrasonography in horses, shedding light on the knowledge required to properly use and interpret this diagnostic tool, and highlighting how this technique can be performed on the go due to recent advancements in ultrasound equipment.
Context and Relevance of the Study
- This study is driven by the recent development in ultrasound technology, which has resulted in more portable and affordable equipment being made available for use, especially in field settings where horses are located.
- Transabdominal ultrasonography is an important diagnostic tool in equine practice to assess internal structures and diseases. Understanding the principles and techniques of this diagnostic modality is crucial for veterinarians.
Method of Ultrasonography
- The report explains how transabdominal ultrasonography can be performed without always having to shave the hair on the horse’s abdomen. Soaking the horse’s hair with isopropyl alcohol and using a 3.0- to 3.5-MHz curvilinear transducer can achieve a clear image.
- The advantage of this approach is that it makes the process less time-consuming and more convenient, particularly when performed in field conditions.
Essential Knowledge for Ultrasonography
- The study emphasizes the importance of clinicians having a strong understanding of the location and architecture of normal intraabdominal structures in horses.
- It also highlights the need to be aware of the depth of the viewing field, the tissue interface densities, the orientation of the transducer relative to the patient, and the image projected on the monitor.
Building Confidence in Ultrasonographic Findings
- The key takeaway is that a clinician’s working knowledge of these elements is vital to build confidence in distinguishing normal from abnormal ultrasonographic findings.
- If veterinarians are cognizant of these aspects, this can significantly enhance their ability to correctly interpret ultrasonography images, ultimately aiding in accurate diagnosis and effective treatment planning.
Cite This Article
APA
Henry Barton M.
(2011).
Understanding abdominal ultrasonography in horses: which way is up?
Compend Contin Educ Vet, 33(9), E2.
Publication
Researcher Affiliations
- The University of Georgia.
MeSH Terms
- Abdomen / anatomy & histology
- Abdomen / diagnostic imaging
- Animals
- Horse Diseases / diagnostic imaging
- Horses
- Point-of-Care Systems / statistics & numerical data
- Ultrasonography / instrumentation
- Ultrasonography / methods
- Ultrasonography / veterinary
Citations
This article has been cited 5 times.- Mittelman NS, Engiles JB, Murphy L, Vudathala D, Johnson AL. Presumptive Iatrogenic Microcystin-Associated Liver Failure and Encephalopathy in a Holsteiner Gelding. J Vet Intern Med 2016 Sep;30(5):1747-1751.
- Almaqhawi AA, El-Jalii IM, Al-Sabi MNS, Al-Ali A, Khalid AM, Abduljawad M, Shawaf T. Treatment evaluation using ultrasonographic scanning of the spleen in Arabian horses affected by babesiosis. Open Vet J 2025 Nov;15(11):5799-5805.
- Alvarenga TIRC, McGilchrist P, Keller MD, Pethick DW. Challenges in Applying Multimodal Imaging Technologies to Quantify In Vivo Glycogen and Intramuscular Fat in Livestock. Foods 2025 Feb 25;14(5).
- Accorroni L, Bazzano M, Marchegiani A, Spaterna A, Laus F. Abdominal Ultrasonography in Healthy Female Standard Donkeys. Animals (Basel) 2025 Jan 8;15(2).
- Haardt H, Romero AE, Boysen SR, Tan JY. Comparison of transrectal and transabdominal transducers for use in fast localized abdominal sonography of horses presenting with colic. Front Vet Sci 2023;10:1307938.
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