Sepsis
Criteria for sepsis
T >38.3 or <36
HR >90
RR >20
Confusion
BSL >7.1 in non-diabetic
Oliguria
Septic shock
BP <90
Mottled or cold peripheries
qSOFA (Not to diagnose sepsis but to predict mortality/need for ICU in suspected sepsis)
2 or more is concerning:
BP <100
RR >22
Confusion
Cap refill >3 sec
Purpuric rash
Lactate >2
Oliguria
Complications
Multi-organ failure (renal, respiratory, cardiac, hepatic)
DIC
ARDS
Septic encephalopathy → confusion, delirium
Hypoperfusion → limb ischaemia, necrosis
Long-term immunosuppression → increased risk of recurrent infections
Early intervention for sepsis or septic shock
Rapid interventions within 1 hr of recognition:
Measure blood lactate concentration; repeat within 2–4 hrs if >2 mmol/L
Obtain blood cultures before antibiotics (2 sets in adults)
Administer broad-spectrum antibiotics promptly (do not delay for investigations)
Start IV fluid resuscitation (crystalloids) for hypotension or lactate >2 mmol/L
Use vasopressors (e.g., noradrenaline) to maintain MAP ≥65 mmHg if hypotension persists
If the source of infection is identified, initiate specific treatment (e.g., abscess drainage, device removal) in consultation with specialist teams
Monitor response closely—repeat lactate and assess for perfusion markers (cap refill, BP, urine output)
Additional Notes:
Monitor for signs of progression to multi-organ dysfunction, particularly in the elderly or immunosuppressed.
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