Respiratory compromise

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Respiratory compromise
Elderly man using pulse oximeter
Synonyms
Pronounce N/A
Specialty N/A
Symptoms Shortness of breath, hypoxemia, hypercapnia, cyanosis, tachypnea
Complications Respiratory failure, cardiac arrest
Onset
Duration
Types
Causes Obstructive sleep apnea, chronic obstructive pulmonary disease, asthma, pneumonia, pulmonary embolism
Risks Smoking, obesity, sedation, anesthesia
Diagnosis Arterial blood gas, pulse oximetry, chest X-ray, spirometry
Differential diagnosis Heart failure, anxiety disorder, pneumothorax
Prevention Smoking cessation, weight loss, vaccination
Treatment Oxygen therapy, mechanical ventilation, bronchodilators, corticosteroids
Medication
Prognosis
Frequency
Deaths


A state of respiratory dysfunction with potential for life-threatening deterioration


Respiratory compromise is a state of respiratory dysfunction that has the potential to rapidly progress to respiratory failure and death if not promptly recognized and treated. It encompasses a range of conditions that impair the ability of the respiratory system to maintain adequate gas exchange, leading to hypoxemia, hypercapnia, or both.

Pathophysiology[edit | edit source]

Respiratory compromise can result from a variety of underlying causes, including obstructive lung disease, restrictive lung disease, neuromuscular disorders, and central nervous system depression. The pathophysiological mechanisms often involve impaired ventilation, diffusion abnormalities, or perfusion defects.

Impaired Ventilation[edit | edit source]

Impaired ventilation can occur due to airway obstruction, as seen in conditions like chronic obstructive pulmonary disease (COPD) and asthma. It can also result from decreased respiratory drive or muscle weakness, as seen in neuromuscular disorders such as amyotrophic lateral sclerosis (ALS).

Diffusion Abnormalities[edit | edit source]

Diffusion abnormalities occur when there is impaired gas exchange across the alveolar-capillary membrane. This can be due to conditions like pulmonary fibrosis or acute respiratory distress syndrome (ARDS), where the alveolar walls are thickened or damaged.

Perfusion Defects[edit | edit source]

Perfusion defects occur when there is an imbalance between ventilation and blood flow in the lungs. This can be due to pulmonary embolism or other vascular abnormalities that affect blood flow to the lungs.

Clinical Presentation[edit | edit source]

Patients with respiratory compromise may present with a variety of symptoms, including dyspnea, tachypnea, cyanosis, and altered mental status. The severity of symptoms can vary depending on the underlying cause and the degree of respiratory dysfunction.

An elderly man using a pulse oximeter to monitor oxygen saturation

Diagnosis[edit | edit source]

The diagnosis of respiratory compromise involves a combination of clinical assessment, laboratory tests, and imaging studies. Key diagnostic tools include:

Management[edit | edit source]

The management of respiratory compromise depends on the underlying cause and the severity of the condition. General management strategies include:

  • Ensuring adequate oxygenation through supplemental oxygen or mechanical ventilation.
  • Treating the underlying cause, such as administering bronchodilators for asthma or anticoagulants for pulmonary embolism.
  • Monitoring and supporting respiratory function with non-invasive or invasive ventilation as needed.

Prevention[edit | edit source]

Preventive measures for respiratory compromise include:

  • Early identification and management of at-risk patients, such as those with chronic lung diseases.
  • Regular monitoring of respiratory function in patients with known risk factors.
  • Educating patients and caregivers about recognizing early signs of respiratory distress.

See also[edit | edit source]

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Contributors: Prab R. Tumpati, MD