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Collapsed lung (pneumothorax)

Air around the lung; Air outside the lung; Pneumothorax dropped lung; Spontaneous pneumothorax

A collapsed lung occurs when air escapes from the lung. The air then fills the space outside of the lung, between the lung and chest wall. This buildup of air puts pressure on the lung, so it cannot expand as much as it normally does when you take a breath.

The medical name of this condition is pneumothorax.

Causes

Collapsed lung can be caused by an injury to the lung. Injuries can include a gunshot or knife wound to the chest, rib fracture, or certain medical procedures.

In some cases, a collapsed lung is caused by air blisters (blebs) that break open, sending air into the space around the lung. This can result from air pressure changes such as when scuba diving or traveling to a high altitude.

Tall, thin people and smokers are more at risk for a collapsed lung.

Lung diseases can also increase the chance of getting a collapsed lung. These include:

Asthma

Asthma

Asthma is a disease that causes the airways of the lungs to swell and narrow. It leads to wheezing, shortness of breath, chest tightness, and coughi...

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Chronic obstructive pulmonary disease (COPD)

Chronic obstructive pulmonary disease (...

Chronic obstructive pulmonary disease (COPD) is a common lung disease. Having COPD makes it hard to breathe. There are two main forms of COPD:Chroni...

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Cystic fibrosis

Cystic fibrosis

Cystic fibrosis is a disease that causes thick, sticky mucus to build up in the lungs, digestive tract, and other areas of the body. It is one of th...

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Tuberculosis

Tuberculosis

Pulmonary tuberculosis (TB) is a contagious bacterial infection that involves the lungs. It may spread to other organs.

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Whooping cough

Whooping cough

Pertussis is a highly contagious bacterial disease that causes uncontrollable, violent coughing. The coughing can make it hard to breathe. A deep "...

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In some cases, a collapsed lung occurs without any cause. This is called a spontaneous collapsed lung.

Symptoms

Common symptoms of a collapsed lung include:

Sharp chest or shoulder pain , made worse by a deep breath or a cough

Chest or shoulder pain

Chest pain is discomfort or pain that you feel anywhere along the front of your body between your neck and upper abdomen.

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Shortness of breath

Shortness of breath

Breathing difficulty may involve:Difficult breathingUncomfortable breathingFeeling like you are not getting enough air

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Nasal flaring

Nasal flaring

Nasal flaring occurs when the nostrils widen while breathing. It is often a sign of trouble breathing.

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A larger pneumothorax causes more severe symptoms, including:

Bluish color of the skin due to lack of oxygen

Bluish color

Cyanosis is a bluish color to the skin or mucous membrane that is usually due to a lack of oxygen in the blood.

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Chest tightness
Lightheadedness and near fainting
Easy fatigue

Easy fatigue

Fatigue is a feeling of weariness, tiredness, or lack of energy.

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Rapid heart rate

Rapid heart rate

A bounding pulse is a strong throbbing felt over one of the arteries in the body. It is due to a forceful heartbeat.

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Exams and Tests

The health care provider will listen to your breathing with a stethoscope. If you have a collapsed lung, there are decreased breath sounds or no breath sounds on the affected side. You may also have low blood pressure.

Tests that may be ordered include:

Arterial blood gases and other blood tests

Arterial blood gases

Blood gases are a measurement of how much oxygen and carbon dioxide are in your blood. They also determine the acidity (pH) of your blood.

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Chest x-ray

Chest x-ray

A chest x-ray is an x-ray of the chest, lungs, heart, large arteries, ribs, and diaphragm.

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CT scan if other injuries or conditions are suspected

CT scan

A chest CT (computed tomography) scan is an imaging method that uses x-rays to create cross-sectional pictures of the chest and upper abdomen....

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Electrocardiogram

Electrocardiogram

An electrocardiogram (ECG) is a test that records the electrical activity of the heart.

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Treatment

A small pneumothorax may go away on its own over time. You may only need oxygen treatment and rest.

The provider may use a needle to allow the air to escape from around the lung so it can expand more fully. You may be allowed to go home if you live near the hospital.

If you have a large pneumothorax, a chest tube will be placed between the ribs into the space around the lungs to help drain the air and allow the lung to re-expand. The chest tube may be left in place for several days and you may need to stay in the hospital. If a small chest tube or flutter valve is used, you may be able to go home. You will need to return to the hospital to have the tube or valve removed.

Chest tube

A chest tube is a hollow, flexible tube placed into the chest. It acts as a drain. Chest tubes drain blood, fluid, or air from around your lungs, he...

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Some people with a collapsed lung need extra oxygen.

Lung surgery may be needed to treat collapsed lung or to prevent future episodes. The area where the leak occurred may be repaired. Sometimes, a special chemical is placed into the area of the collapsed lung. This chemical causes a scar to form. This procedure is called pleurodesis.

Lung surgery

Lung surgery is surgery done to repair or remove lung tissue. There are many common lung surgeries, including:Biopsy of an unknown growthLobectomy, ...

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Outlook (Prognosis)

If you have a collapsed lung, you are more likely to have another one in the future if you:

Are tall and thin
Continue to smoke
Have had two collapsed lungs in the past

How well you do after having a collapsed lung depends on what caused it.

Possible Complications

Another collapsed lung in the future
Shock , if there are serious injuries or infection, severe inflammation, or fluid in the lung develops

Shock

Shock is a life-threatening condition that occurs when the body is not getting enough blood flow. Lack of blood flow means that the cells and organs...

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When to Contact a Medical Professional

Call your provider if you have symptoms of a collapsed lung, especially if you have had one before.

Prevention

There is no known way to prevent a collapsed lung. Following standard procedure can reduce the risk of a pneumothorax when scuba diving. You can decrease your risk by not smoking.

Open References

References

Byyny RL, Shockley LW. Scuba diving and dysbarism. In: Marx JA, Hockberger RS, Walls RM, et al, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice . 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 143.

Eckstein M, Henderson SO. Thoracic trauma. In: Marx JA, Hockberger RS, Walls RM, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice . 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 45.

Light RW, Lee YCG. Pneumothorax, chylothorax, hemothorax, and fibrothorax. In: Broaddus VC, Mason RJ, Ernst JD, et al, eds. Murray and Nadel's Textbook of Respiratory Medicine . 6th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 81.

Lungs - illustration

The major features of the lungs include the bronchi, the bronchioles and the alveoli. The alveoli are the microscopic blood vessel-lined sacks in which oxygen and carbon dioxide gas are exchanged.

Lungs

illustration
Aortic rupture, chest X-ray - illustration

Aortic rupture (a tear in the aorta, which is the major artery coming from the heart) can be seen on a chest x-ray. In this case, it was caused by a traumatic perforation of the thoracic aorta. This is how the x-ray appears when the chest is full of blood (right-sided hemothorax) seen here as cloudiness on the left side of the picture.

Aortic rupture, chest X-ray

illustration
Pneumothorax - chest X-ray - illustration

Pneumothorax occurs when air leaks from inside of the lung to the space between the lung and the chest wall. The lung then collapses. The dark side of the chest (right side of the picture) is filled with air that is outside of the lung tissue.

Pneumothorax - chest X-ray

illustration
Respiratory system - illustration

Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.

Respiratory system

illustration
Chest tube insertion - series

Presentation

<strong>Normal anatomy</strong><p>The pleural space is the space between the inner and outer lining of the lung. It is normally very thin, and lined only with a very small amount of fluid. </p>

<strong>Indication</strong><p>If fluid, such as blood, or air, gets into the pleural space, the lung can collapse, preventing adequate air exchange. Chest tubes are used to treat conditions that can cause the lung to collapse, such as: air leaks from the lung into the chest (pneumothorax) bleeding into the chest (hemothorax) after surgery or trauma in the chest (pneumothorax or hemothorax) lung abscesses or pus in the chest (empyema). air leaks from the lung into the chest (pneumothorax) bleeding into the chest (hemothorax) after surgery or trauma in the chest (pneumothorax or hemothorax) lung abscesses or pus in the chest (empyema). </p>

<strong>Procedure</strong><p>Chest tubes are inserted to drain blood, fluid, or air and allow full expansion of the lungs. The tube is placed in the pleural space. The area where the tube will be inserted is numbed (local anesthesia). The patient may also be sedated. The chest tube is inserted between the ribs into the chest and is connected to a bottle or canister that contains sterile water. Suction is attached to the system to encourage drainage. A stitch (suture) and adhesive tape is used to keep the tube in place. The chest tube usually remains in place until the X-rays show that all the blood, fluid, or air has drained from the chest and the lung has fully re-expanded. When the chest tube is no longer needed, it can be easily removed, usually without the need for medications to sedate or numb the patient. Medications may be used to prevent or treat infection (antibiotics). </p>

<strong>Aftercare</strong><p>Recovery from the chest tube insertion and removal is usually complete, with only a small scar. The patient will stay in the hospital until the chest tube is removed. While the chest tube is in place, the nursing staff will carefully check for possible air leaks, breathing difficulties, and need for additional oxygen. Frequent deep breathing and coughing is necessary to help re-expand the lung, assist with drainage, and prevent normal fluids from collecting in the lungs. </p>

Pneumothorax - series

Presentation

<strong>Normal</strong><p>The lungs are paired organs that lie in the thoracic cavity. The lungs extract oxygen from inhaled air and transport the oxygen to the blood. Surrounding the lungs is a very thin space called the pleural space. The pleural space is usually extremely thin, and filled with a small amount of fluid. </p>

<strong>Indications</strong><p>If air enters the pleural space, the lung will collapse. This is called a pneumothorax. If the chest wall is penetrated, which may occur as a result of an injury, air can enter the pleural space from the outside. Air can also enter from the inside, from the lung itself, if the lung is torn or ruptured. One of the most common causes of spontaneous non-traumatic pneumothorax is a pulmonary bleb. This is a weakness and out-pouching of the lung tissue, which can rupture. This introduces air into the pleural space. </p>

<strong>Incision</strong><p>Pneumothorax can be life-threatening. The immediate treatment for pneumothorax is tube thoracostomy, or the insertion of a chest tube. A long, flexible, hollow, narrow tube is inserted through the ribs into the pleural splace, and the tube is attached to a suction device. This allows the air to be evacuated from the pleural space, and allows the lung to re-expand. Chest tubes are generally inserted using local anesthesia. The chest tube is left in place until the lung leak seals on its own; this usually occurs within two to five days. </p>

<strong>Indications</strong><p>Pulmonary blebs are a common cause of spontaneous pneumothorax in young children and adults. Blebs are weakened out-pouchings in the upper lung, which can rupture, causing pneumothorax. </p>

<strong>Procedure</strong><p>Pulmonary blebs can be resected, preventing future pneumothorax. This is frequently done using a thoracoscopic surgical procedure. The patient is put to sleep using general anesthesia. Long, narrow instruments, including one with a camera on the end to allow for visualization of the interior of the thorax, are introduced through small incisions in the chest wall. </p>

<strong>Aftercare</strong><p>A stapling device is inserted into the chest during thoracoscopic surgery, and the segment of lung with blebs is stapled across and then removed. Most patients respond quite well to this procedure, and usually require one to three days in the hospital after surgery to recover. A chest tube is frequently left in place for one to two days after surgery to evacuate any residual air in the pleural space. </p>

Lungs - illustration

The major features of the lungs include the bronchi, the bronchioles and the alveoli. The alveoli are the microscopic blood vessel-lined sacks in which oxygen and carbon dioxide gas are exchanged.

Lungs

illustration
Aortic rupture, chest X-ray - illustration

Aortic rupture (a tear in the aorta, which is the major artery coming from the heart) can be seen on a chest x-ray. In this case, it was caused by a traumatic perforation of the thoracic aorta. This is how the x-ray appears when the chest is full of blood (right-sided hemothorax) seen here as cloudiness on the left side of the picture.

Aortic rupture, chest X-ray

illustration
Pneumothorax - chest X-ray - illustration

Pneumothorax occurs when air leaks from inside of the lung to the space between the lung and the chest wall. The lung then collapses. The dark side of the chest (right side of the picture) is filled with air that is outside of the lung tissue.

Pneumothorax - chest X-ray

illustration
Respiratory system - illustration

Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.

Respiratory system

illustration
Chest tube insertion - series

Presentation

Pneumothorax - series

Presentation

A Closer Look

Talking to your MD

Self Care

Tests for Collapsed lung (pneumothorax)

Lung needle biopsy

Review Date: 4/13/2015

Reviewed By: Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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Multimedia Encyclopedia

Collapsed lung (pneumothorax)

Causes

Asthma

Chronic obstructive pulmonary disease (...

Cystic fibrosis

Tuberculosis

Whooping cough

Symptoms

Chest or shoulder pain

Shortness of breath

Nasal flaring

Bluish color

Easy fatigue

Rapid heart rate

Exams and Tests

Arterial blood gases

Chest x-ray

CT scan

Electrocardiogram

Treatment

Chest tube

Lung surgery

Outlook (Prognosis)

Possible Complications

Shock

When to Contact a Medical Professional

Prevention

References

Lungs - illustration

Lungs

Aortic rupture, chest X-ray - illustration

Aortic rupture, chest X-ray

Pneumothorax - chest X-ray - illustration

Pneumothorax - chest X-ray

Respiratory system - illustration

Respiratory system

Chest tube insertion - series

Pneumothorax - series