Acute Respiratory Failure
Medically reviewed by Drugs.com. Last updated on Feb 6, 2023.
Acute respiratory failure (ARF) is a condition that happens when your lungs cannot get enough oxygen into your blood. ARF can also happen when your lungs cannot get the carbon dioxide out of your blood. A buildup of carbon dioxide in your blood can cause damage to your organs. The decrease in oxygen and the buildup of carbon dioxide can happen at the same time. Acute respiratory failure may develop in minutes, hours, or days.
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You may need extra oxygen
if your blood oxygen level is lower than it should be. You may get oxygen through a mask placed over your nose and mouth or through small tubes placed in your nostrils. Ask your healthcare provider before you take off the mask or oxygen tubing.
You may need any of the following, depending on the cause of your ARF:
- Bronchodilators open your airways.
- Steroids decrease swelling and spasms in your lungs.
- Diuretics decrease the amount of fluid in your body.
- Arterial blood gas (ABG) test measures the amount of oxygen and carbon dioxide in your blood. An ABG test also measures the pH of your blood and the amount of bicarbonate in it.
- Pulse oximetry will show the decrease in blood oxygen without having to draw blood.
- An incentive spirometer helps you take slow, deep breaths to expand and fill your lungs with air.
- Chest physiotherapy (CPT) helps loosen mucus. A healthcare provider lightly claps on your back and chest with his or her hands. This brings up the mucus from your lungs and makes it easier to cough it up.
- Suction may be used to help remove mucus that you are not able to cough up.
- Ventilation helps get oxygen into your lungs and carbon dioxide out. Ventilation also makes the work of breathing easier. Some systems, such as a CPAP or BiPAP, may only be needed while you sleep. A mechanical ventilator may be needed some or all of the time. It is attached to a mask or breathing tube.
ARF can cause you to have an abnormal heart rhythm. ARF can also lead to a coma. ARF can cause damage to your blood vessels and cause your heart to fail. ARF can be life-threatening.
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