Electrocardiographic findings in cattle with theileriosis
Subject Areas : Veterinary Clinical Pathology
مجید Fartashvand
1
(
Graduate of Large Animal Internal Medicine, Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
)
M.Gh Nadalian
2
(
Department of Large Animal Internal Medicine, Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
)
مهدی Sakha
3
(
Department of Large Animal Internal Medicine, Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
)
sh Safi
4
(
Department of Clinical Pathology, Faculty of Veterinary Medicine, Islamic Azad University, Science and Research Branch, Tehran, Iran
)
علی Hasanpour
5
(
Department of Clinical Science, Faculty of Veterinary Medicine, Islamic Azad University, Tabriz Branch, Tabriz, Iran
)
مهدی Taghavi
6
(
Student of Veterinary Medicine, Faculty of Veterinary Medicine, Islamic Azad University, Tabriz Branch, Tabriz, Iran
)
Keywords: Theileriosis, Electrocardiography (ECG), Arrhythmia,
Abstract :
Theileriosis is an important protozoal disease of domestic ruminants especially cattle, sheep and goats which is transmitted by various species of Theileria infected ticks. Anemia, electrolytic disorders and vasculitis are amongst the cardiovascular complications of theileriosis. In this study, 90 cows with theileriosis were evaluated by clinical examination, parasitologic tests and electrocardiography. In Theileria infected cattle, after 30 minutes of rest and any treatment, a 30 second ECG was recorded in lead I to determine the types of arrhythmias present. Based on electrocardiographic findings frequently observed arrhythmias included 62 cases of sinus tachycardia, 15 cases of sinus arrhythmia, 6 cases of first degree atrio-ventricular block, 1 case of ventricular extra systole and 1 case of atrial fibrillation. According to the type of arrhythmias, it can be concluded that arrhythmias in cows with theileriosis are functional and nonpathologic.