Which factors contribute to myocardial depression in sepsis/septic shock?

Updated: Oct 07, 2020
  • Author: Andre Kalil, MD, MPH; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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Answer

Although cardiac output is elevated, the performance of the heart, reflected by stroke work as calculated from stroke volume and blood pressure, is usually depressed. Factors responsible for myocardial depression of sepsis include myocardial depressant substances, coronary blood flow abnormalities, pulmonary hypertension, various cytokines, NO, and beta-receptor downregulation.


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