Ataxia, Spinal Differential Diagnosis Common Causes Major Diagnostic Tests Cervical compressive myelopathy Cervical radiography, myelogram Equine protozoal myeloencephalitis Western blot, IFAT Equine herpesvirus-1 myeloencephalopathy PCR, titers, virus isolation West Nile…
Abnormal Peritoneal Fluid Abnormal color Serosanguineous Blood contamination during abdominocentesis Strangulating obstruction Post-celiotomy or post-castration Hemoabdomen Splenocentesis Brown, red-brown, or green Enterocentesis (few or no white blood cells [WBCs] on…
Abdominal Distension Obesity Regional adiposity Overconsumption of roughage Pregnancy Fetal hydrops Ruptured prepubic tendon
Corneal Ulcers, Superficial Nonhealing Basic Information Definition A superficial, nonhealing, noninfected corneal ulcer Synonym(s) Indolent ulcer Epidemiology Risk Factors • Any type of ocular trauma • Feeding hay from hay…
Dexamethasone/Thyrotropin-Releasing Hormone Test (DST/TRH), Combined Basic Information • Collect baseline blood sample (first sample). • Administer dexamethasone (40 µg/kg IV) between 8 and 10 am and collect a blood sample 3 hours…
Embryo Cryopreservation Basic Information Synonym(s) Embryo vitrification Overview and Goal(s) • Cryopreservation by vitrification is preferred to conventional slow freezing for equine embryos. The vitrification technique is simple and can…
Enema, Retention/High Basic Information Synonym(S) High enema, acetylcysteine enema Overview and Goal(s) Meconium impactions are the most common cause of colic in the neonatal foal. Routine enemas often resolve simple…
Glucose Tolerance Test (GTT) Basic Information • Easy to perform. • Place the intravenous catheter the day before testing to reduce stress. • Administer glucose (0.2–0.5 g/kg IV in 50% dextrose…
