An electrocardiogram (ECG) is a tool used to measure the heartbeat using an electrical current. By following the current from 10 electrodes placed around the body, a traditional 12-lead ECG can give a ...

Medical devices should be sent for calibration when they display abnormal readings, cross due dates, or even when their location is changed. Uncalibrated equipment may result in an incorrect diagnosis ...

The raging controversy around ECG's faulty billing of some consumers, arising out of a combination of factors, including a supposedly software defect and un-standardised metering, can be blamed on ...