Evaluation: Welch Allyn Connex Vital Signs Monitor for Continuous Vital Signs Monitoring

May 24, 2017 | Evaluations & Guidance

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The Welch Allyn Connex Vital Signs Monitor (CVSM), used in continuous mode as part of the Connex Clinical Surveillance System, is a good choice for low-acuity continuous vital signs monitoring applications on a medical-surgical floor, with the condition that its Global Audio Off setting is not made available to clinicians (see Safety, below).

The system has simple patient setup. The monitor can also be configured in a spot-check mode for periodic vital signs capture. Continuous tabular and graphical trends are potentially helpful to determine the patient's status. The acoustic respiration rate (RRa) sensor, if used, 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, the CVSM monitor does not offer customizable passwords, potentially making the monitor vulnerable to unauthorized access. This system is designed to provide alerts on emergent events only and does not provide early-warning scoring (when used in continuous mode) or trend alerts.

![](/components/HDJournal/PublishingImages/_4-star-icon. JPG) with the condition that its Global Audio Off setting is not made available to clinicians

  1. The primary purpose of the device is to continuously measures, store, and display noninvasive blood pressure (NIBP), oxygen saturation (SpO2), RR, pulse rate (PR), end-tidal carbon dioxide (EtCO2), and temperature values for adult, pediatric, and neonatal patients in lower-acuity settings. The monitor also measures RRa on adult and pediatric patients. 1The Connex system analyzes and interprets vital signs data to offer trends and to alert clinicians to emergent events such as, but not limited to, high RR or low SpO2. The monitor, as part of the Connex Clinical Surveillance System, also transmits data to a centralized display for secondary remote viewing and alarming. The system also offers an Integrated Pulmonary Index (IPI)...

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