Septic Shock Flashcards
Less than 90 mmHg systolic, a reduction of SBP of 40 mmHg or evidence of Hypo-perfusion is referred to as?
Hypotension
MAP stands for what?
Mean arterial pressure (MAP=SBP+2(DBP)/3
What 8 differential diagnosis of shock/hypotension?
Endocrine Neurogenic (anaphylactic) Drugs (distributive) Septic (infection) Hypovolemia Overdose (obstruction) Cardiogenic Kills
Worldwide, ____% of sepsis is caused by gram negative ______% by gram positive and ___% fungal
62, 47, 19
*adds up to more than 100%….
The clinical syndrome that results from a dysregulated inflammatory response to infection presenting with hypotension is called what?
Septic Shock
What are the two types of organ dysfunction?
1-Primary (result of well defined insult)
2-Secondary (not due to infection itself, but to the hosts response)
What are three mechanisms of tissue injury?
1-Ischemia (decreased O2 in tissue)
2-Cytopathic injury (inflammatory mediators cause damage)
3-Increased apoptosis
Lactate levels are often measured in sepsis, what are the two mechanisms that lead to high levels?
1-Hypoxic- anaerobic production of lactate
2-Non-hypoxic- decreased clearance of lactate
*survival is 10
What three things are part of the 6 hour resuscitation bundle?
1-Early identification
2-Early antibiotics and cultures
3-Early goal directed therapy
What are 7 sepsis agents that have failed to date?
1-Endotoxin modifiers 2-Cytokine modifiers 3-Immune suppression 4-PAF modifiers 5-Nitric Oxide Modifiers 6-Eicosanoids modifier 7-Coagulation modifier
What are the 4 Systemic Inflammatory Response Syndrome (SIRS) criteria?
1-Temperature >38C (100.4) or 90bpm
3-Respiratory Rate >20rpm
4-WBC >12,000 K/ul or 10% bands