Abstract: We describe an evaluation of photoplethysmography (PPG) signals with two wavelengths channels (infrared and red) using a wrist-worn sensor for the estimation of heart rate variability (HRV) ...
Did you know that that 50 percent of women in the U.S. age 50 or older will break a bone due to osteoporosis? Overall, about 54 million Americans have osteoporosis—a gradual thinning out of the ...
James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...
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 ...
Conclusions: SpO2 and PR measurements may be inaccurate across all skin pigmentation groups, breaching U.S. Food and Drug Administration guidance and industry standard thresholds. Pulse oximeters ...
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