Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Abstract: Accurately diagnosing pediatric sleep apnea-hypopnea (SAH) is a complex task in pediatric healthcare. Traditional methods like polysomnography (PSG) test, though effective, can be ...