Sepsis,Severe Sepsis and Septic Shock

Posted by e-Medical PPT
Sepsis is a potentially serious medical condition that is characterized by systemic inflammatory response syndrome or SIRS and the presence of a known or suspected infection.The body may develop this inflammatory response by the immune system to microbes in the body.Severe sepsis is the systemic inflammatory response, plus infection, plus the presence of organ dysfunction.Septicemiais a related medical term referring to the presence of pathogenic organisms in the bloodstream, leading to sepsis.
Severe sepsis is usually treated in the intensive care unit with intravenous fluids and antibiotics. If fluid replacement is insufficient to maintain blood pressure, specific vasopressor medications can be used. Mechanical ventilation and dialysis may be needed to support the function of the lungs and kidneys, respectively. To guide therapy, a central venous catheter and an arterial catheter may be placed; measurement of other hemodynamic variables may also be used. Sepsis patients require preventive measures for deep vein thrombosis, stress ulcers and pressure ulcers, unless other conditions prevent this. Some patients might benefit from tight control of blood sugar levels with insulin (targeting stress hyperglycemia), low-dose corticosteroids or activated drotrecogin alfa (recombinant protein C).


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