NR AAVO
AU Austin,A.R.; Pawson,L.; Meek,S.; Webster,S.
TI Abnormalities of heart rate and rhythm in bovine spongiform encephalopathy
QU The Veterinary Record 1997 Oct 4; 141(14): 352-7
PT journal article
AB Heart rates of healthy cows and cows suspected of having bovine spongiform encephalopathy were measured by auscultation and by a portable cardiac monitor. Bradycardia was demonstrated in suspect cases which were confirmed histopathologically. Disturbances in cardiac rhythm were also evident in some cases. Healthy cows deprived of food exhibited bradycardia. The administration of pharmacological doses of atropine indicated that bradycardia in BSE was mediated by increased vagal influence, suggesting that the cardioinhibitory reflexes in the caudal brainstem were functionally altered by the disease.
MH Animal; Anti-Arrhythmia Agents/administration & dosage/pharmacology; Atropine/administration & dosage/pharmacology; Bradycardia/drug therapy/etiology/*veterinary; Brain Stem/pathology; Cattle; Encephalopathy, Bovine Spongiform/*complications/physiopathology; Heart Rate; Vagus Nerve/physiology
AD Department of Biochemistry, Pathology and Parasitology, Central Veterinary Laboratory, Addlestone, Surrey.
SP englisch
PO England
OR Prion-Krankheiten 1