electrocardiograph

the doctor used an electrocardiograph to monitor the patient's heart activity.

electrocardiographs are essential tools in cardiology.

during the check-up, the nurse placed electrodes for the electrocardiograph.

the electrocardiograph showed irregular heartbeats.

she felt relieved when the electrocardiograph results came back normal.

it is important to calibrate the electrocardiograph before use.

the technician explained how the electrocardiograph works.

electrocardiographs can help diagnose various heart conditions.

after the procedure, the electrocardiograph data was analyzed by the physician.

many hospitals have advanced electrocardiograph machines.