Oxygen Saturation Test Spo2

Oxygen Saturation Test Spo₂

Oxygen Saturation Test Spo₂ A test measures the amount of oxygen red blood cells carry. One method uses a device that shines light through a finger. The device measures the amount of oxygen in the blood based on how red blood cells carrying oxygen absorb and reflect light. It is also called Arterial oxygen saturation (SaO₂) if measured in arterial blood and Venous oxygen Saturation (SaO₂) if measured in venous blood.

With the help of this parameter of arterial blood, gases test, we can measure the percentage of oxygen-bound hemoglobin (oxyhemoglobin) in the blood For proper functioning of the body we need a certain level of oxygen in our blood. Our body maintains healthy SPO₂ levels through breathing. Oxygen saturation may be measured with arterial blood gases through pulse oximetry.

Causes of High Oxygen Saturation:

• High Dose of Oxygen therapy
• Lung disease

Causes of Low Oxygen Saturation:

• Sleep Apnea
• Smoking
• Anemia
• Pneumonia
• Emphysema
• Asthma
• Hepatitis B”>Viral Infection
• Pneumothorax
• Bronchitis
• Intestinal Lung Disease
• Pulmonary Fibrosis
• Congenital Heart Disease
• Low Level of Atmospheric oxygen

Normal Range of Oxygen Saturation (Spo₂):

(SpO₂) oxygen Saturation (Arterial Blood): 95% to 100%

(SpO₂) oxygen saturation (Venous Blood): 70%. to 75%

Tests used include:

Pulse Oximetry Blood gas test
Long-term oxygen therapy (LTOT) assessment
Hypnic challenge (fitness-to- fly test)

How to Performed Test:

Blood Sample needed.

Procedure:

• Take a sample of your blood from your arm with a needle.
• If you take any medications or supplements, they can affect the results. So can eating grapes and fruits that are high in acid.
• Collect at least 2 mL of arterial blood or venous blood in heparinized Syringes, if the test is in a Green top tube with sodium heparin or lithium Heparin Mix the Sample immediately The test only fluid in your blood, not the blood cells or the platelets that help your blood clot. Now, Add the aid to the liquid to unlock Carbon dioxide from the bicarbonate. The amount of bicarbonate is measured by how fat the sample’s acidity changes.

NOTE:

Oxygen saturation is also measured through pulse oximetry.

Result:

The oximeter display shows the percentage of oxygen your in blood. For someone healthy, the normal blood oxygen saturation level will be around 95-100% if the oxygen level is below then it can indicate there is a long-term problem.