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• 14:13, 29 August 2025 RobertoMais8124 talk contribs created page The 4 Traditional Vital Signs (Created page with "<br>The strategy of photoplethysmography (PPG) detailed in Chapters 1 and 2 gained huge prominence attributable to the event of pulse oximetry. In pulse oximetry, the truth that hemoglobin certain with oxygen (known as oxyhemoglobin) and hemoglobin without oxygen (deoxy-hemoglobin or diminished hemoglobin) absorb/mirror light in another way is exploited in ascertaining, noninvasively, oxygen saturation in arterial blood. Most pulse oximeters which can be in existence at...")