Configuration of endocardial and intramural extrasystoles in the dog.
D000818:Animals; D005117:Cardiac Complexes, Premature / Q000503:physiopathology*; D004285:Dogs; D004558:Electric Stimulation; D004562:Electrocardiography; D004699:Endocardium / Q000503:physiopathology*; D006321:Heart / Q000503:physiopathology*; D013314:Stress, Mechanical