POSSUM for Operative Morbidity and Mortality Risk

Estimates morbidity and mortality for general surgery patients.

POSSUM Calculator

Glasgow Coma Scale (GCS)

Age (Years)

Cardiac Status

Respiratory Status

Systolic Blood Pressure (mmHg)

Pulse Rate (bpm)

White Blood Cells (WBC x 10^9/L)

Blood Urea Nitrogen (BUN)

Sodium (Na+) (mmol/L)

Potassium (K+) (mmol/L)

Hemoglobin (Hb)

Magnitude of Operation

Multiple Procedures

Estimated Blood Loss (mL)

Peritoneal Contamination

Presentation

Malignancy

Physiological Score (PS): –

Operative Score (OS): –

Total POSSUM Score: –

Predicted Mortality: –

Predicted Morbidity: –

Author