Unipolar thoracic electrocardiograms in which P waves of relative uniformity occur in male horses.
Bipolar and unipolar limb leads and unipolar thoracic lead ECG were obtained from 100 male crossbred horses. P-wave morphologic features were classified according to positivity negativity and monopolarity dipolarity, and the percentage of horses that had P waves of a given morphologic class in each lead was calculated. P-Wave morphologic features of 4 precordial leads were most uniform, with greater than 80% of the horses having a single configuration.
Physiology Department, Veterinary School, Universidad Complutense, Madrid, Spain.
J C
JC
Illera
R L
RL
Hamlin
M
M
Illera
D000818:Animals; D004562:Electrocardiography / Q000662:veterinary*; D006736:Horses / Q000502:physiology*; D008297:Male