Evaluation: Masimo Radius-7 with Root for Continuous Vital Signs Monitoring

October 12, 2016 | Evaluations & Guidance


The Masimo Radius-7 with Root is a good choice for low-acuity continuous vital signs monitoring applications on a medical-surgical floor.

The system has simple patient setup. Analog trend view is potentially helpful to quickly determine patient status. The acoustic respiration rate (RRa) sensor potentially improves patient comfort for respiration rate (RR) measurement as compared to the use of a nasal cannula with capnography. However, the RRa sensor requires correct placement and does not measure adequacy of ventilation. In addition, Bluetooth connectivity between the Radius-7 (arm-worn unit) and Root (bedside unit) limits the connection range. This may limit continuous monitoring of the patient out of the room and may reduce patient mobility. This system is not designed to provide trend alerts or early-warning scoring. Battery life is short; two battery modules are required per bed for 24-hour coverage.

  1. Masimo's Radius-7 continuously measures patient vital signs including oxygen saturation (SpO2), pulse rate (PR), and RRa on adult and pediatric (above 2 years) patients in inpatient lower-acuity care settings.

  2. Additional vital signs such as noninvasive blood pressure (NIBP) and temperature can be measured using the Root system.

a) The Root system analyzes and interprets vital signs data to offer...

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