Medical and Health

Pulse oximeters are small devices that help you check one of your body’s most important signals: how well oxygen moves through your blood. They’re painless, easy to use, and have become common tools both in clinics and at home. Whether you’re monitoring a health condition or just checking your vital signs, understanding pulse oximetry can help you take better control of your health. What Is a Pulse Oximeter? A pulse oximeter is a gadget typically clipped onto your fingertip that measures two things: Oxygen saturation (SpO₂) — how much oxygen your red blood cells carry Pulse rate — your heartbeat per minute It works by shining light through your finger and analyzing how much light is absorbed — healthier blood with oxygen absorbs light differently than blood without enough oxygen. This gives a percentage reading without drawing blood or using needles. Why Use a Pulse Oximeter? Pulse oximeters are useful for monitoring how well oxygen circulates in your body , especially if you have h...