What is Pulse Oximetry? How does it work?
The recent COVID pandemic saw a rise in advice about using a pulse oximeter to help assess your health. Here we answer the question “What is Pulse Oximetry?”
pulse oximeter
What is Photoplethysmography PPG? Is it Important?
Pronounced \”FOTO-PLETH-ISS-MOG-RAFFY\” the Greek origins of the name mean to measure a volume using light. This is a method of measurement used in Biomedical Engineering to sense the blood pulse under the skin, and is used in applications such as heart rate measurements and pulse oximetry.
What are those Lights on the Bottom of My Watch?
The lights on the bottom of your smart watch are used for monitoring your heart rate. Some smart watches may even use these lights to also measure how well oxygenated your blood is. So, to be effective at measuring your heart rate and or blood oxygen saturation, your watch should fit well and not hang loose