Is your blood oxygen level normal? Here's how to tell.
Your red blood cells are like vehicles. Each can carry up to four oxygen molecules across your body, getting them to places like your heart and brain. Your body's vital systems need a normal percentage of oxygen inside your blood at all times, known as your oxygen saturation. However, sometimes your blood can get either too much or too little oxygen, and in these cases, there can be serious health consequences.
Some people fear that wearing a face mask when they are sick, or to protect them against infection, may harm their body's oxygen saturation. But according to pulmonologist Jonathan Parsons, M.D., there is absolutely no danger to your oxygen levels presented by wearing even multiple face masks. Many professionals, including surgeons, must wear snug face masks for long periods of time, but nonetheless experience no harmful effects, Dr. Parsons said.
But what if you feel like you can't breathe with a mask on? That can be a consequence of mask anxiety, Dr. Parsons said. He recommends practicing slow, deep breaths if you feel it difficult to breathe while wearing a mask.People with severe COVID-19 infections often have low oxygen in their blood. When the coronavirus infection sets into your lungs, usually about 1 week after initial symptoms, the most common symptom is shortness of breath, often with hypoxemia.
The at-home finger meter is easy to use and gives fast results. But it also has limitations. Oxygen meters may have trouble reading your finger in some cases. According to the FDA, the accuracy of pulse oximeter readings can be affected by:
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