In equine colic assessment, ultrasound findings such as abdominal effusion and distension guide management decisions.

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Ultrasound findings in equine colic guide management decisions by revealing the state of the abdomen beyond what we can feel or see on exam. Abdominal effusion on ultrasound suggests free fluid in the peritoneum, which can accompany inflammation, contamination, or more serious pathology, and distension of intestinal loops points to obstruction or compromised motility. When these signs are present, they raise concern for conditions that may require surgical intervention or more aggressive management, as opposed to cases that might be treated medically with fluids, analgesia, and close monitoring. In contrast, heart rate alone can be influenced by pain or dehydration and isn’t as definitive for deciding treatment path; lameness assessment and coat color don’t provide information about intra-abdominal disease or its severity. So the ultrasound indicators of effusion and distension are the most informative for guiding how to proceed with colic care.