For healthcare professionals
Calculators for healthcare professionals
Bedside scores used by clinicians in emergency, hospital and specialist care. Written for healthcare professionals, not for self-diagnosis. If you are unwell, call 911 or seek urgent care.
HEART score
Major cardiac event risk in emergency chest pain.
Wells score for PE
Pretest probability of pulmonary embolism.
CURB-65
Pneumonia severity and 30-day mortality.
MELD score
MELD, MELD-Na and MELD 3.0 for end-stage liver disease.
qSOFA score
Sepsis-3 bedside screen: breathing, mental status, blood pressure.
Glasgow Coma Scale (GCS)
Eye, verbal and motor response, 3 to 15.
Wells score for DVT
Pretest probability of deep vein thrombosis.
PERC rule
Eight criteria to rule out PE in low-risk patients.
PESI and sPESI
30-day mortality in acute pulmonary embolism.
Revised Geneva score
Pulmonary embolism pretest probability, original and simplified.
TIMI risk score
Event risk in unstable angina or NSTEMI.
Child-Pugh score
Cirrhosis severity, class A, B or C.
SOFA score
Organ failure across six systems, 0 to 24.
NIH Stroke Scale (NIHSS)
Stroke severity across 15 items, 0 to 42.
Glasgow-Blatchford score
Upper GI bleeding: need for treatment, 0 to 23.
Rockall score
Upper GI bleeding: rebleeding and death risk, 0 to 11.
CIWA-Ar
Alcohol withdrawal severity, 10 items, 0 to 67.
Maddrey discriminant function
Alcohol-associated hepatitis severity, cut point 32.
Alvarado score
Appendicitis likelihood (MANTRELS), 0 to 10.
Centor score (McIsaac)
Strep throat likelihood in sore throat.
Padua prediction score
VTE risk in medical inpatients.
Caprini score
VTE risk around surgery.
Ranson criteria
Acute pancreatitis severity at admission and 48 hours.
BISAP score
Acute pancreatitis mortality risk in the first 24 hours.
Creatinine clearance (Cockcroft-Gault)
Creatinine clearance estimate used for drug dosing.
Revised Cardiac Risk Index (RCRI)
Heart complication risk before non-cardiac surgery.
HAS-BLED score
Bleeding risk on blood thinners for people with AFib.
ABCD2 score
Early stroke risk after a transient ischemic attack (TIA).
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