electrocardiogram vs. electrocardiograph

electrocardiogram

[ih-lek-troh-kahr-dee-uh-gram] / ɪˌlɛk troʊˈkɑr di əˌgræm /

noun

Medicine/Medical.

electrocardiograph

[ih-lek-troh-kahr-dee-uh-graf, -grahf] / ɪˌlɛk troʊˈkɑr di əˌgræf, -ˌgrɑf /

Medicine/Medical.

a galvanometric device that detects and records the minute differences in electric potential caused by heart action and occurring between different parts of the body: used in the diagnosis of heart disease.