For infants (15 days to 3 years of age), a study staff member listens to breath sounds via a stethoscope lightly placed on the infant's chest for 60 seconds to count the number of complete respiratory cycles (one inspiration and one expiration). Note that because respiratory rate in infants is significantly different when awake vs. when asleep, studies should be consistent in measuring this variable.
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.
Updated the PhenX ID from "PhenX." to "PX" in Survey Question Source field to align with the variable identifier used in the PhenX Toolkit.; Added the PhenX protocol ID to the Component to clearly define the protocol version for which this panel is based upon.