Maximal counting number <10 or counting time <7 seconds identified patients with a room‐air pulse oximetry <95% with sensitivity of 91% and 83%, respectively. Maximal counting number <7 or counting time <5 seconds identified patients with a room‐air pulse oximetry <90% with sensitivity of 87% and 82%, respectively.
— Read on onlinelibrary.wiley.com/doi/full/10.1002/clc.22586

Old school medicine at work. Cool study.

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