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A pulse oximeter is an important medical device that tells you how well your body is working and monitors abnormal heart rate and oxygen saturation. While it is mainly used in medical settings, it has slowly been transferred to homes. The aims of this study are the development and evaluation of a pulse oximeter and its transfer to the finger and thigh for appropriate, friendly use, cheapness, reliability, and correctness. Our goal is to give you a completely different understanding of the pulse oximeter and to use it more carefully when you use it because of the factors that affect its reading accuracy. It investigates how nail polish, temperature, finger position (Anterior and posterior), finger size, gender, age, time of the day, artefacts, and indoor/outdoor affect detail, height, BSA, and Shielding Factors.
Muhammad et al. (Mon,) studied this question.