Synonyms for Electrocardiograph:

n.

drip, drain, defibrillator, ecg, eeg, ekg, balloon, electrocardiogram. medical instrument (noun)
ophthalmoscope, respirometer, hemostat, scalpel, suture, laparotomy pack, Cystoscope, Sphygmometer, fluoroscope, stethoscope, syringe, Nebulizer, forceps, aspirator, catheter, hypodermic, lance, radiometer, cardiograph, probe, orthoscope, electroencephalograph, tongue depressor.

Other synonyms:

electrocardiogram, ecg, defibrillator. ekg, eeg. drip. drain, balloon. Other relevant words:
drip, drain, defibrillator, ecg, eeg, ekg, balloon, electrocardiogram.