Obstructive shock

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Obstructive shock
Synonyms
Pronounce	N/A
Specialty	N/A
Symptoms	Hypotension, tachycardia, dyspnea, jugular venous distension
Complications	Organ failure, cardiac arrest
Onset	Sudden
Duration	Variable, depending on cause and treatment
Types	N/A
Causes	Tension pneumothorax, cardiac tamponade, pulmonary embolism
Risks	Trauma, surgery, cancer, deep vein thrombosis
Diagnosis	Clinical evaluation, imaging studies
Differential diagnosis	Hypovolemic shock, cardiogenic shock, distributive shock
Prevention	Early recognition and treatment of underlying causes
Treatment	Relieve obstruction, fluid resuscitation, vasopressors
Medication
Prognosis	Depends on cause and timeliness of treatment
Frequency	Rare
Deaths

Obstructive Shock

Obstructive shock is a form of shock associated with physical blockage of circulation or decreased cardiac output as a result of mechanical obstruction. This condition can be life-threatening and requires immediate medical attention.

Causes

Obstructive shock can be caused by a number of conditions including pulmonary embolism, cardiac tamponade, and tension pneumothorax. These conditions can lead to decreased cardiac output and subsequent shock.

Pulmonary Embolism

A pulmonary embolism is a blockage in one of the pulmonary arteries in the lungs. This can lead to decreased blood flow to the lungs and can result in obstructive shock.

Cardiac Tamponade

Cardiac tamponade is a serious medical condition in which blood or fluids fill the space between the sac that encases the heart and the heart muscle. This can lead to decreased cardiac output and can result in obstructive shock.

Tension Pneumothorax

Tension pneumothorax is a life-threatening condition that can occur when air gets into the space between the chest wall and the lung. This can lead to decreased cardiac output and can result in obstructive shock.

Symptoms

Symptoms of obstructive shock can include rapid heart rate, low blood pressure, shortness of breath, and loss of consciousness. If you or someone else is experiencing these symptoms, seek immediate medical attention.

Treatment

Treatment for obstructive shock typically involves addressing the underlying cause of the obstruction. This can include medications, surgery, or other interventions.

Gallery

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  Pulmonary embolism

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  Pericardial effusion with tamponade

See Also

• Shock (circulatory)
• Cardiogenic shock
• Distributive shock
• Hypovolemic shock

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