oxygen saturation Archives - The Health Knowledge Base

A pulse oximeter on a finger showing a normal SpO2 reading of 97% and a pulse of 72.

Pulse Oximetry: What Your Numbers Really Mean (Beyond the Basics)

The Health Knowledge Base6 months ago3 months ago09 mins

That little clip-on device has become a household staple. You slip it on your finger, wait a few seconds, and two numbers appear: one for your blood oxygen and one for your pulse. You know that 98% is “good” and a low number is “bad,” but what does it all really mean? A pulse oximeter…

Diagram showing how oxygen moves from lungs into bloodstream through capillaries and red blood cells.

Your Bloodstream’s Role in Lung Health: More Than Just Carrying Oxygen

The Health Knowledge Base7 months ago3 months ago07 mins

When you think about lung health, you probably focus on breathing. But what happens after you take that breath? The real magic occurs in your bloodstream – the sophisticated delivery system that takes the oxygen from your lungs and transports it to every cell in your body. Your circulatory system does much more than just…