[Experimental open chest and open heart surgeries without special equipment, applicable to investigation of the cat heart conducting system (author's transl)].
D000818:Animals; D006348:Cardiac Surgical Procedures / Q000379:methods*; D002415:Cats; D006329:Heart Conduction System / Q000033:anatomy & histology*; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery*