Veterian Key

Sorbitol Dehydrogenase (SDH) Basic Information Definition Leakage enzyme: Soluble cytoplasmic enzymes released into circulation after increased membrane permeability (sublethal cellular injury or cellular necrosis) Typical Normal Range (US Units; SI…

Neoplasia, Esophageal Basic Information Definition Neoplasia of the esophagus Epidemiology Species, Age, Sex More likely in older horses Clinical Presentation History, Chief Complaint • Clinical signs of recurrent esophageal obstruction….

Neoplasia, Gastric Basic Information Definition Neoplasia of the stomach Epidemiology Species, Age, Sex More likely in older horses Risk Factors Because gastric neoplasias are so uncommon in horses, contributing factors…

Hypogammaglobulinemia, Transient Basic Information Definition A syndrome characterized by the delayed onset of immunoglobulin synthesis in newborn foals Epidemiology Genetics and Breed Predisposition Has been described in Thoroughbred and Arabian…

Dermatophytosis Basic Information Definition Highly contagious superficial fungal infection of skin, hair, or hooves of horses and cattle and occasionally sheep and goats Synonym(s) Ringworm Epidemiology Species, Age, Sex •…

Diarrhea of the Neonatal Foal Basic Information Definition Loose or watery fecal consistency Epidemiology Risk Factors • Sepsis • Failure of passive transfer • Peripartum asphyxia syndrome • Pica Contagion…

Fibrotic Myopathy Basic Information Definition A mechanical lameness characterized by an abrupt shortening of the forward swing of one or both pelvic limbs with a characteristic “slapping” of the affected…

Fractures Physeal Basic Information Definition Fractures of any bone involving the physis or growth plate Synonym(s) • Growth plate fracture • Salter-Harris–type fracture Epidemiology Associated Conditions and Disorders • Angular…

Endocarditis, Infective Basic Information Definition Endocarditis is usually the result of infections of the endocardial surface of the heart, either involving the valves (valvular endocarditis) or the walls (mural endocarditis)…

Thyroid-Stimulating Hormone (TSH) Test Basic Information • Determine baseline thyroxine (T4) and triiodothyronine (T3) concentrations. • Administer thyroid-stimulating hormone (TSH) 5 IU or thyrotropin-releasing hormone (TRH) 0.5 to 1.0 mg IV. •…