Pulse oximeter is a non-invasive device used for monitoring oxygen saturation level in blood. It is a small, clip-like device that is attached to a body like finger or earlobe. It is mostly used in intensive care, operating, emergency care, and patient at high altitude for assessment of patientâ€s oxygenation to determine if there is need for supplemental oxygen. Furthermore, pulse oximeters are useful for patients with cardiac problem, respiratory problems, and chronic obstructive pulmonary diseases...Read more