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How many diseases rely on pulse oximeter to predict the crisis in advance?

Nov 18, 2022

When the breath is inhaled, the lungs inhale enough oxygen, and then the oxygen travels down the system into the red blood cells and is transported throughout the body with the blood. The normal operation of a body function requires a large amount of oxygen, and the blood oxygen saturation of a healthy person is always kept above 95%, which is considered a normal level. What is Blood Oxygen Saturation? You can find the exact answer in this link:

The Asthma

Asthma is a condition in which the air passages are too narrow and swollen resulting in extra production of mucus, which makes it difficult to breathe and makes you cough, wheeze, and breathe quickly. Asthma is incurable but can be controlled with medical equipment and medications. Since asthma is a sudden illness, it is important to keep track of your vital signs and symptoms and adjust treatment as needed. All you need to do here is use pulse blood The oxygen meter detects the blood oxygen saturation.

Asthma is a long-term condition that affects a person’s airways. Sudden exacerbations or attacks of asthma can cause low levels of oxygen in the blood. When the oxygen level is below 65mm Hg, which corresponds to a blood oxygen saturation of 92%, it is also known as hypoxemia. If your pulse oximeter readings are lower than normal, please contact your doctor for appropriate treatment.

Chronic obstructive pulmonary disease (COPD)

COPD is a lung disease that causes you to have difficulty breathing, usually in the form of emphysema and chronic bronchitis. The main symptoms are difficulty breathing and aggravation, severe cough with phlegm (not the same as a smoker’s cough), chest infection, and persistent wheezing. Oxygen saturation measured by pulse oximetry is therefore also a useful and timely predictive method to demonstrate systemic hypoxia in patients with acute exacerbations of chronic obstructive pulmonary disease (COPD).



COVID-19 can be said to be an epidemic disease that plagues the world so far because it is extremely contagious and has a high mortality rate. Its most obvious symptoms are acute respiratory failure and hypoxemia at the same time. The emergence of this symptom makes hospitals and families urgently need a large number of medical equipment that can help measure blood oxygen saturation. Therefore, pulse oximeters became very popular after the start of COVID-19.

COVID-19 causes an infection in which the air sacs of the lungs fill with fluid or pus. Patients infected with the novel coronavirus may be in the early stages of COVID pneumonia (decreased blood oxygen levels but not experiencing any difficulty breathing). In this case, the pulse oximeter will send out an alarm signal before you realize the danger. Many COVID-19 patients arrive very sick. They were short of breath and their blood oxygen levels were so low that they were life-threatening. Like mountain climbers, patients get used to the gradually decreasing blood oxygen levels and don’t realize they are dying.


Pre-diabetes is defined as an HbA 1C value between 42 and 48. As we all know, patients with diabetes generally have problems with the circulatory system, especially the lower legs and arms, called PVD or peripheral vascular disease, which is caused by the hardening of the arteries or accumulation of fatty masses in the blood vessels, PVD The incidence rate in diabetic patients is 20 times that of ordinary people, so using a pulse oximeter to detect blood oxygen levels at all times is also a way to prevent diabetes.

Another is that when you suspect that you have sleep apnea, you can also use a pulse oximeter to measure the value more reassuringly. Sleep apnea causes you to stop breathing while you sleep, resulting in a lack of oxygen. Many physicians should be aware of the symptoms of sleep apnea, such as daytime fatigue and daytime sleepiness.


Critical congenital heart defects (CCHDs)

About 2 in 1,000 newborn babies will have CCHDs, which is also the main factor of infant death, but the current detection of newborn babies is often neglected. However, babies with CCHD usually have lower blood oxygen levels, Therefore, non-invasive detection can be performed by a pulse oximeter, and this method is also widely used in various hospitals.

The use of pulse oximeters as an effective device for the prevention of CCHDs has been demonstrated through a series of studies, and it has thus been concluded that screening for pulse oximetry in asymptomatic infants 24-48 hours after birth significantly improves the risk of CCHDs. detection rate.

Monitor your health with a pulse oximeter

The pulse oximeter is a relatively common existence in medical care, but it is also an indispensable device for detecting most diseases. It has become people’s expectation to have a pulse oximeter with accurate readings, complete functions, and ease to carry. How do choose you the pulse oximeter? Click here to give more answers.

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