electrocardiography radiotelemetry electrocardiography 2014-01-14T14:11:50Z A procedure for making graphic records of the variations in electrical potential caused by electrical activity of the heart muscle in which the sensor is located within the body and the measurement is based on data transmitted by radio waves from the subject to the recording apparatus. JSmith MMO:0000465 measurement_method_ontology radiotelemetry ECG radiotelemetry EKG