PRISM III Scoring

Cardiovascular/Neurologic Vital Signs

Variable	Measurement	Score
Systolic Blood Pressure (mmHg)	Neonate: <40	7
	Neonate: 40–55	3
	Neonate: >55	0
	Infant: <45	7
	Infant: 45-65	3
	Infant: >65	0
	Child: <55	7
	Child: 55-75	3
	Child: >75	0
	Adolescent: <65	7
	Adolescent: 65–85	3
	Adolescent: >85	0

Variable	Measurement	Score
Heart Rate (beats/min)	Neonate: >215	4
	Neonate: 215-225	3
	Neonate: <215	0
	Infant: >225	4
	Infant: 215-225	3
	Infant: <215	0
	Child: >205	4
	Child: 185-205	3
	Child: <185	0
	Adolescent: >155	4
	Adolescent: 145–155	3
	Adolescent: <145	0

Variable	Measurement	Score
Pupillary Reflexes	One fixed	7
	Both fixed	11
Mental Status	Stupor/Coma (GCS <8)	5
Temperature	<33 C (91.4F) or >40C (104F)	3

Acid-Base/Blood Gases

Variable	Measurement	Score
Acidosis (Total CO₂ or pH)	Total CO₂: <5 or pH: <7.0	6
	Total CO₂: 5–16.9 or pH: 7.0–7.28	2
Total CO2 (mmo/L)	>34	4
pH	7.48-7.55	2
	>7.55	3
PCO₂ (mmHg)	>75	3
	50–75	1
PO₂ (mmHg)	<42	6
	42-49	3

Chemistry Tests

Variable	Measurement	Score
Glucose (mg/dL)	>200 (>11mmol/L)	2
Potassium (mmol/L)	>6.9	3
Creatinine	Neonates: >0.85mg/dl (75micromol/L)	2
	Infants: >0.90mg/dl (80micromol/L)	2
	Children: >0.90mg/dl (80micromol/L)	2
	Adolescent: >1.30mg/dl (115micromol/L)	2
Blood Urea Nitrogen	Neonates: >11.9 mg/dl (>4.3 mmol/L)	3
	Infants: >14.9 mg/dl(> 5.4 mmol/L)	3
	Children: >14.9 mg/dl(> 5.4 mmol/L)	3
	Adolescents: >14.9 mg/dl(> 5.4 mmol/L)	3

Hematology Tests

Variable	Measurement	Score
White Blood Cell Count (cells/mm³)	<3,000	4
Platelet Count (cells/mm³)	100,000–200,000	2
	50,000-99,999	4
	<50,000	5
Prothrombin Time (PT) or Partial Thromboplastin time (PTT)	Neonate: PT>22 or PTT >85	3
	All others: PT>22 or PTT >57	3