Journal of the American Veterinary Medical Association
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J. Am. Vet. Med. Assoc. · Jan 1991
Case ReportsBleeding disorder (von Willebrand disease) in a quarter horse.
Bleeding diathesis in a Quarter Horse filly was caused by von Willebrand disease. Hemorrhage occurred mainly from mucosal surfaces and after trauma. ⋯ These findings are characteristic of type-II von Willebrand disease in human beings. Application of vWF assays used in human and small animal medicine now permits evaluation of vWF and diagnosis of von Willebrand disease in horses with bleeding disorders.
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J. Am. Vet. Med. Assoc. · Jan 1991
Case ReportsSevere hypercarbia resulting from inspiratory valve malfunction in two anesthetized horses.
Severe hypercarbia was documented by arterial blood gas analysis in 2 adult horses anesthetized for exploratory laparotomy. Both horses appeared to be adequately anesthetized, but continued to breathe against the ventilator. ⋯ Correction of the malfunctioning valve alleviated the hypercarbia. Problems with the flow valves of the anesthesia machine should be suspected when anesthetized horses breathe against the ventilator and develop severe hypercarbia.