Portable Sleep Apnea Screen Meter SpO2 PR Nasal Analysis & Diagnosis
(1) SpO2 data acquisition. ◆ Accuracy under low perfusion: low perfusion 0.4 %, SpO2 accuracy: ± 4 %; PR accuracy: ± 2 bpm or ± 2 %, whichever is greater. ◆ One SpO2 probe. 3) Nasal airflow collection.
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