Table 1.

Recommendations for pulse oximetry monitoring

Monitoring Program
Use U.S. Food and Drug Administration–approved finger (i.e., “pocket”) oximeters rather than smart phone applications
Recommend use of devices that provide information about pulse signal strength
In patients with vascular disease, test pulse oximeter function prior to discharge
Provide instructions to patients about best practices for use of the devices
Translate instructions into languages appropriate for the community being served
Readjust thresholds for seeking care in communities located at higher elevations

Patient Measurements
Make measurements indoors, at rest, and during quiet breathing
Use the index or middle finger; avoid the toes or ear lobes
Only accept values associated with a strong pulse signal
Observe readings for 30–60 s to identify the most common value
Measure and record values two to three times per day
Remove nail polish from the finger on which measurements are made
Warm cold extremities prior to measurement