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Time critical priorities
Immediate priorities
Resuscitation triggers
Systolic blood pressure <90 mmHg
MAP <65 mmHg
Lactate rising despite fluids
New altered mental status
Respiratory failure
Oliguria <0.5 ml/kg/hour
Airway and breathing
Persistent vomiting with aspiration risk
Escalate to airway protection if inability to protect airway
NPO until emesis controlled and airway risk reduced
Hypoxemia
Oxygen to target SpO2 92-96%
If escalating oxygen requirement, ICU evaluation
Circulation
Early isotonic crystalloid
Lactated Ringer solution preferred for initial resuscitation
If shock, bolus 10-20 ml/kg then reassessment every 15-30 minutes
If no shock, 250-500 ml/hour with frequent reassessment
Monitoring targets
Heart rate trend
MAP trend
Urine output trend
Hematocrit trend
BUN trend
Analgesia and antiemesis
IV opioid analgesia with reassessment
Avoid under treatment of pain
Avoid oversedation with hypoventilation risk
Antiemetic therapy for persistent vomiting
QT prolongation risk review when using ondansetron or droperidol
Immediate consultation triggers
Suspected cholangitis
GI for urgent ERCP
Surgery for biliary source control planning
Persistent organ failure >48 hours
ICU
GI
Surgery or interventional radiology for necrosis pathway
Suspected infected necrosis
GI
Surgery
Interventional radiology
Early risk stratification
Initial severity framing
Revised Atlanta classification
Mild acute pancreatitis
No organ failure
No local or systemic complications
Moderately severe acute pancreatitis
Transient organ failure <48 hours
Local complications
Systemic complications without persistent organ failure
Severe acute pancreatitis
Persistent organ failure >48 hours
High risk features at presentation
SIRS present
Temperature <36 C
Temperature >38 C
Heart rate >90 per minute
Respiratory rate >20 per minute or PaCO2 <32 mmHg
WBC <4 x 10^9/L
WBC >12 x 10^9/L
Bands >10%
Hemoconcentration
Hematocrit elevated or rising over first 24 hours
Azotemia
BUN elevated or rising over first 24 hours
Pleural effusion on imaging
Hypoxemia
Early escalation criteria
Persistent SIRS after initial resuscitation
Worsening renal function
Increasing oxygen requirement
Need for vasopressors
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.