Sepsis & septic shock Flashcards
What is the definition of sepsis?
Systemic illness caused by microbial invasion of normally sterile parts of the body
What is the progression observed in sepsis?
SIRS
Sepsis
Severe sepsis
Septic shock
What does SIRS stand for?
Systemic Inflammatory response syndrome
What is the main factor which cause organ dysfunction in sepsis?
Immune reaction of the body against the infection leads to reaction
What is septic shock?
A clinical construct of sepsis with persisting hypotension which requires vasopressors in order to maintain MAP
What is qSOFA defined by?
Hypotension (systolic <100mmHg)
Altered mental state
Tachycardia
RR > 22/min
What is qSOFA?
Prognostic factor of sepsis, if >2, increased risk of poor outcome
For each hour’s delay in administering ABIs in septic shock, mortality increases by…
7.6%
What is the main intervention for sepsis?
SEPSIS 6
What is the pathology behind sepsis?
Originates from a breach of host barrier (Physical or immunological)
Organisms enter blood resulting in septic state
What are the 3 phases of pathogenesis in sepsis?
Release of bacterial toxins
Release of mediators
Effects of specific excessive mediators
What are some examples of toxins released by gram +ve bacteria?
Superantigens
What type of mediators can be released in response to infection?
Endotoxin
Exotoxin
What type of endotoxins are released?
LPS
LTA
What type of exotoxins are released?
Superantigens