Fever

Temperature instability (higher than 38.0˚Cor lower than 36.0˚C)

Tachycardia (heart rate more than 110 beats/min)

Tachypnea (respiratory rate more than 24 cycles/min)

Diaphoresis

Nausea or vomiting

Clammy or mottled skin

Hypotension or shock

Pain (location based on site of infection)

Altered mental state (confusion, decreased alertness)

Oliguria or anuria