Obstructive shock

Obstructive shock is a form of shock associated with physical obstruction of the great vessels or the heart itself.[1] Pulmonary embolism and cardiac tamponade are considered forms of obstructive shock.[2]

Obstructive shock has much in common with cardiogenic shock, and the two are frequently grouped together.[3]

Some sources do not recognize obstructive shock as a distinct category, and categorize pulmonary embolism and cardiac tamponade under cardiogenic shock.

In obstructive shock, CO is decreased, CVP is elevated, SVR is increased, and PAOP is increased which is similar to cardiogenic shock[1]. Obstructive shock can most easily be differentiated from cardiogenic shock by considering the greater clinical picture in the context of the PA catheter data (or echocardiography)

Causes

Diagnosis

References
  1. "Shock: Shock and Fluid Resuscitation: Merck Manual Professional".
  2. "Definition: cardiopulmonary obstructive shock from Online Medical Dictionary".
  3. Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Nelso Fausto; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease. St. Louis, Mo: Elsevier Saunders. p. 141. ISBN 0-7216-0187-1.


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