title: M-mode echocardiography. Basic principles.
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000151:congenital / Q000175:diagnosis*; D002415:Cats; D002417:Cattle; D002418:Cattle Diseases / Q000151:congenital / Q000175:diagnosis; D004283:Dog Diseases / Q000151:congenital / Q000175:diagnosis*; D004285:Dogs; D004452:Echocardiography / Q000295:instrumentation / Q000379:methods / Q000662:veterinary*; D005260:Female; D006330:Heart Defects, Congenital / Q000175:diagnosis / Q000662:veterinary; D006331:Heart Diseases / Q000175:diagnosis / Q000662:veterinary; D008297:Male