In this 2025 product transparency update, BloodVitals details how its pulse oximeter supports real-time blood vitals tracking ...

The primary function of a pulse oximeter is to gather health data and notify you of any unusual readings. A normal blood oxygen saturation rate is around 95% with slight variations.

Pulse oximeters with a history function save data, so you don’t have to jot down your results each time. This is a useful feature to have if you are supposed to be recording results for your doctor.

Say 10x the human pulse rate ought to give consistent data between samplings from either source. Switching 2 LEDs on and off isn’t hard. Neither’s syncing the results up.

Months later, pulse oximeters are easier to procure -- they're in stock at some stores, and there are still some decent deals to be found. Whether or not you actually need one is a different story.

Using a Pi Pico W for the brains, [Rasic]’s device can record, store and analyze the data from an arm cuff, stethoscope, electrocardiograph (ECG), and pulse oximeter.

From asthma to Covid-19, several conditions can require regular blood oxygen measurements. Currently, these measurements are taken using a pulse oximeter – a device that clips onto your ...

The data also showed that 10.2% of Black patients had pulse oximeter readings at least 15 percentage points higher than their blood gas readings, compared with 7.3% of White patients.

A pulse oximeter is the device that clamps onto a patient's finger and monitors the oxygen level in the blood. The device was developed in the 1970s and mostly tested on healthy white male patients.