Can the HEM-907 be used with a patient receiving supplemental oxygen therapy?
It is not recommended to use the HEM-907 with supplemental oxygen therapy. 3. Can you replace the batteries in the HEM-747IC unit and retain the readings that are in the unit memory? Yes, you can take the batteries out of the unit and not lose the blood pressure readings. The only time the readings are lost is when you Get the Data from Device, and send a new schedule to device.