Respiratory failure

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Respiratory failure
Synonyms	N/A
Pronounce	N/A
Specialty	N/A
Symptoms	Shortness of breath, rapid breathing, confusion, cyanosis
Complications	Cardiac arrest, organ failure
Onset	Acute or chronic
Duration	Variable
Types	N/A
Causes	COPD, pneumonia, pulmonary embolism, neuromuscular disorders
Risks	Smoking, obesity, sedentary lifestyle, chronic lung disease
Diagnosis	Arterial blood gas, chest X-ray, pulmonary function test
Differential diagnosis	Asthma, heart failure, pneumothorax
Prevention	N/A
Treatment	Oxygen therapy, mechanical ventilation, medications
Medication	Bronchodilators, corticosteroids, antibiotics
Prognosis	Variable, depends on underlying cause and treatment
Frequency	Common
Deaths	N/A

Respiratory failure is a syndrome in which the respiratory system fails in one or both of its gas exchange functions: oxygenation and carbon dioxide elimination. This can lead to an abnormal arterial oxygen and carbon dioxide concentration. The definition of respiratory failure in clinical trials usually includes increased respiratory rate, abnormal blood gases (hypoxemia, hypercapnia, or both), and evidence of increased work of breathing.

Types

There are two types of respiratory failure: type 1 and type 2. Type 1 respiratory failure is defined as a low level of oxygen in the blood (hypoxemia) without an increased level of carbon dioxide in the blood (hypercapnia), and can occur due to a malfunction at any stage in the oxygen delivery process, from the airway to the alveoli. Type 2 respiratory failure is defined as a low level of oxygen in the blood with an increased level of carbon dioxide. This typically occurs when there is an inability to remove CO2 via the lung.

Causes

Respiratory failure can be caused by a variety of conditions, including lung diseases such as chronic obstructive pulmonary disease (COPD), pneumonia, pulmonary edema, and lung cancer, as well as conditions that affect the nerves and muscles that control breathing, such as amyotrophic lateral sclerosis (ALS).

Treatment

Treatment for respiratory failure depends on whether the condition is acute (short-term) or chronic (ongoing), and its severity. It often involves use of supplemental oxygen and, in severe cases, a ventilator.

• Respiratory failure
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  Respiratory failure
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  Types of respiratory failure
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  Clubbing of fingers in IPF
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  Arterial blood gas device
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  Ventilator device

See also

• Acute respiratory distress syndrome
• Chronic obstructive pulmonary disease
• Pneumonia
• Pulmonary edema
• Lung cancer
• Amyotrophic lateral sclerosis

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