Medical Futurist May 2, 2023
The digital health revolution has been lagging behind in at least one major field: blood pressure monitoring. For a very long time, there were no better solutions in the market than traditional cuffs. Even the first smartwatches (like the one I tested from Omron), were big and uncomfortable to wear. So it was time for companies to realise the future of BP monitoring lies in Photoplethysmography (PPG).
PPG is a non-invasive optical technique used to measure blood volume changes in the microvascular bed of tissue. It works by shining a light onto the skin and then measuring the variations in light intensity that result from changes in blood flow. As blood is pumped through the blood vessels, it absorbs and...
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