Basic Surgery MCQ 003

Which of the following statements about septic shock are true?

A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or SIRS.

B. A cardiac index (CI) of 6 liters per minute per square meter of body surface, a pulmonary capillary wedge pressure of 15 mm. Hg, and a systemic vascular resistance index (SVRI) of 800 dynes-sec/(cm 5-m 2) is a hemodynamic profile consistent with septic shock.

C. An increase in SvO 2 in septic patients may be explained by the finding of anatomic arteriovenous shunts.

D. Results of human trials employing antimediator therapy, such as antiendotoxin antibodies, IL-1 receptor antagonist, and tumor necrosis factor (TNF) antibodies, have confirmed animal studies that demonstrate a significant improvement in survival with the use of such agents.

Answer

Category: Surgery MCQs