electrostethograph

e·lec·tro·steth·o·graph

(ē-lek'trō-steth'ō-graf), Electrical instrument that amplifies or records the respiratory and cardiac sounds of the chest. [electro- + G. stēthos, chest, + graphō, to record]

e·lec·tro·steth·o·graph

(ĕ-lek'trō-steth'ō-graf) Electrical instrument that amplifies or records chest respiratory and cardiac sounds. [electro- + G. stēthos, chest, + graphō, to record]