Menu
OR
OR

Medical Calculators

Creatinine Clearance (Cockcroft-Gault Equation)
1

Calculates CrCl according to the Cockcroft-Gault equation.

Mean Arterial Pressure (MAP)
2

Calculates mean arterial pressure.

Corrected QT Interval (QTc)

Corrects the QT interval for heart rate extremes (choose from Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas)

ASCVD (Atherosclerotic Cardiovascular Disease) 2013 Risk Calculator from AHA/ACC
3

Determine 10-year risk of hard ASCVD, i.e. myocardial infarction, stroke, or death due to coronary heart disease or stroke

Predicting Risk of Cardiovascular Disease EVENTs (PREVENT)
4

Predicts 10- and 30-year risk of CVD and CVD subtypes in patients aged 30-79 without known CVD.

HEART Score for Major Cardiac Events
5

Predicts 6-week risk of major adverse cardiac events in patients with chest pain.

GRACE ACS Risk and Mortality Calculator
6

Estimates admission to 6 month mortality for patients with acute coronary syndrome.

TIMI Risk Score for STEMI
8

Predicts mortality risk in STEMI patients.

CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
9

Calculates stroke risk for patients with atrial fibrillation.

HAS-BLED Score for Major Bleeding Risk
10

Estimates risk of major bleeding for patients on anticoagulation to assess risk-benefit in atrial fibrillation care.

ATRIA Bleeding Risk Score
11

Determines bleeding risk for patients on warfarin.

Revised Cardiac Risk Index for Pre-Operative Risk
12

Estimates risk of cardiac complications after noncardiac surgery.

Framingham Risk Score for Hard Coronary Heart Disease
14

Estimates 10-year risk of heart attack in patients 30-79 years with no history of CHD or diabetes.

Systematic Coronary Risk Evaluation 2 (SCORE2)
15

Predicts 10-year CVD risk in patients without prior CVD or diabetes.

MAGGIC Risk Calculator for Heart Failure
19

Estimates 1- and 3- year mortality in heart failure.

Wells' Criteria for Pulmonary Embolism
23

Calculates pre-test probability of PE to determine next steps in evaluation.

Cardiac Output (Fick’s Formula)
24

Calculates cardiac output, cardiac index, and stroke volume.

Gupta Perioperative Risk for Myocardial Infarction or Cardiac Arrest (MICA)
25

Predicts risk of MI or cardiac arrest after surgery.

Duke-International Society for Cardiovascular Infectious Diseases (ISCVID) Criteria
26

Diagnostic criteria for infective endocarditis.

ACC/AHA Heart Failure Staging
27

Describes stages of heart failure and provides recommendations for therapy by stage.

ACEF II Risk Score for Cardiac Surgery
28

Predicts 30-day mortality after elective or emergency cardiac surgery.

ACTION ICU Score for Intensive Care in NSTEMI
29

Predicts risk of NSTEMI complications requiring ICU care.

Acute Decompensated Heart Failure National Registry (ADHERE) Algorithm
30

Predicts in-hospital mortality in patients with heart failure (HF).

ADAPT Protocol for Cardiac Event Risk
31

Assesses chest pain patients at 2 hours for risk of cardiac event.

Age-Adjusted D-dimer for Venous Thromboembolism (VTE)
32

Adjusts D-dimer cutoffs to help rule out VTE in patients ≥50 years old.

Altitude-Adjusted PERC Rule
33

Rules out PE if no criteria are present; includes SaO2 adjustment for altitude.

American University of Beirut (AUB)-HAS2 Cardiovascular Risk Index
34

Stratifies cardiovascular risk of patients undergoing noncardiac surgery.

ASCOD Algorithm for Ischemic Stroke
35

Assigns phenotype in patients with ischemic stroke of uncertain causes.

ASTRAL Score for Ischemic Stroke
36

Predicts 90-day poor outcome in patients with acute ischemic stroke.

ATRIA Stroke Risk Score
37

Determines stroke risk in patients with atrial fibrillation.

Brugada Criteria for Ventricular Tachycardia
38

Distinguishes ventricular tachycardia from supraventricular tachycardia.

CAHP (Cardiac Arrest Hospital Prognosis) Score
39

Predicts poor prognosis after out-of-hospital cardiac arrest and guides utility of cardiac catheterization

Canadian Cardiovascular Society (CCS) Angina Grade.
40

Classifies severity of angina

Canadian Syncope Risk Score
41

Predicts 30-day serious adverse events in patients presenting with syncope.

Canadian Transient Ischemic Attack (TIA) Score
42

Identifies risk of stroke in the next 7 days in patients who experienced symptoms of TIA.

Cardiac Anesthesia Risk Evaluation Score (CARE)
43

A simple, clinically derived ordinal classification system that predicts morbidity and mortality after cardiac surgery.

Cardiac Power Output (CPO)
44

Calculates rate of energy output of the h

Cardiovascular Risk in Orthotopic Liver Transplantation (CAR-OLT)
45

Predicts cardiovascular risk in orthotopic liver transplantation (OLT).

CART (Cardiac Arrest Risk Triage) Score
46

Predicts risk of in-hospital cardiac arrest.

CHADS-65 (Canadian Society of Cardiology Guideline)
47

Guides antithrombotic therapy for patients with nonvalvular atrial fibrillation or atrial flutter.

CHADS₂ Score for Atrial Fibrillation Stroke Risk
48

Estimates stroke risk in patients with atrial fibrillation.

CHA₂DS₂-VA Score for Atrial Fibrillation Stroke Risk

Calculates stroke risk for patients with atrial fibrillation; similar to the CHA₂DS₂-VASc Score but without considering sex.

Cincinnati Prehospital Stroke Severity Scale (CP-SSS)
49

Predicts large vessel occlusion (LVO) and severe stroke in patients with stroke symptoms.

Composite Pulmonary Embolism Shock (CPES) Score
50

Stratifies risk of normotensive shock in patients with pulmonary embolism (PE).

Contraindications to Intravenous Thrombolysis (IVT) for Ischemic Stroke
51

Provides inclusion/exclusion criteria for IVT in acute ischemic stroke patients.

Corrected Reticulocyte Percentage/Reticulocyte Production Index (RPI)
52

Evaluates bone marrow response to anemia, often in sickle cell patients.

CRUSADE Score for Post-MI Bleeding Risk
53

Stratifies bleeding risk after NSTEMI.

DASH Prediction Score for Recurrent VTE
54

Predicts likelihood of recurrence of first VTE.

Direct-Acting Oral Anticoagulants (DOAC) Score
55

Predicts bleeding risk in patients with atrial fibrillation on DOAC.

Dual Antiplatelet Therapy (DAPT) Score
56

Predicts which patients will benefit from prolonged DAPT after coronary stent placement.

Duke Activity Status Index (DASI)
57

Estimates functional capacity.

Duke Criteria for Infective Endocarditis
58

Diagnostic criteria for endocarditis.

Duke Treadmill Score
59

Diagnoses and prognoses suspected CAD based on the treadmill exercise test.

Emergency Department Assessment of Chest Pain Score (EDACS)
60

Identifies chest pain patients with low risk of major adverse cardiac event.

Emergency Heart Failure Mortality Risk Grade (EHMRG)
61

Estimates 7-day mortality of emergency HF patients.

EUROMACS-RHF Score
62

Determines risk of right ventricular HF in patients after LVAD implantation.

European System for Cardiac Operative Risk Evaluation (EuroSCORE) II
63

Predicts risk of in-hospital mortality after major cardiac surgery.

Framingham Heart Failure Diagnostic Criteria
64

Diagnoses heart failure based on major and minor criteria.

GARFIELD-AF
65

Predicts mortality, stroke, and bleeding in patients w/ and w/out anticoagulation.

Geneva Risk Score for Venous Thromboembolism (VTE) Prophylaxis
66

Predicts need for VTE prophylaxis in admitted patients.

Geneva Score (Revised) for Pulmonary Embolism
67

Objectifies risk of PE, like Wells' score.

Gillmore Staging System for Transthyretin Amyloid Cardiomyopathy (ATTR-CM)
68

Classifies prognosis of patients with transthyretin amyloid cardiomyopathy.

GO-FAR (Good Outcome Following Attempted Resuscitation) Score
69

Predicts survival to discharge with good outcome after in-hospital cardiac arrest.

Grogan Staging System for Transthyretin Amyloid Cardiomyopathy (ATTR-CM)
70

Classifies prognosis of patients with wild-type transthyretin amyloid cardiomyopathy.

GWTG-Heart Failure Risk Score
71

Predicts in-hospital all-cause heart failure mortality.

H2FPEF Score for Heart Failure with Preserved Ejection Fraction
72

Estimates probability of underlying heart failure in patients with preserved ejection fraction on echo.

HACOR Score
73

Predicts failure of noninvasive ventilation (NIV) in hypoxemic patients.

HCM Risk-SCD
74

Estimates risk of sudden cardiac death in patients with hypertrophic cardiomyopathy.

HEAR Score
75

Stratifies the risk of NSTEMI and evaluates the necessity of troponin measurement.

HEART Pathway for Early Discharge in Acute Chest Pain
76

Identifies emergency department patients with acute chest pain for early discharge.

HEMORR₂HAGES Score for Major Bleeding Risk
77

Quantifies risk of hemorrhage in elderly patients with AFib.

Hestia Criteria for Outpatient Pulmonary Embolism Treatment
78

Identifies low-risk PE patients safe for outpatient treatment.

HFA-ICOS Baseline Cardio-Oncology Risk Assessment for Anthracycline Chemotherapy
79

Stratifies cardiotoxicity risk in cancer patients scheduled to receive anthracycline-based chemotherapy.

HFA-ICOS Baseline Cardio-Oncology Risk Assessment for Combination Rapidly Accelerated Fibrosarcoma (RAF) and Mitogen-Activated Extracellular Signal-Regulated Kinase (MEK) Inhibitors
81

Stratifies cardiotoxicity risk in cancer patients scheduled to receive combination RAF and MEK inhibitors.

HFA-ICOS Baseline Cardio-Oncology Risk Assessment for HER2-Targeted Therapies
82

Stratifies cardiotoxicity risk in cancer patients scheduled to receive HER2-targeted therapies.

HFA-ICOS Baseline Cardio-Oncology Risk Assessment for Multi-Targeted Kinase Inhibitors for Chronic Myeloid Leukemia (CML)
83

Stratifies cardiotoxicity risk in CML cancer patients scheduled to receive BCR-ABL TKIs.

HFA-ICOS Baseline Cardio-Oncology Risk Assessment for Multiple Myeloma Therapies
84

Stratifies cardiotoxicity risk in cancer patients scheduled to receive multiple myeloma therapies.

HFA-ICOS Baseline Cardio-Oncology Risk Assessment for VEGF Inhibitors
85

Stratifies cardiotoxicity risk in cancer patients scheduled to receive VEGF inhibitor therapy.

History and Electrocardiogram-only Manchester Acute Coronary Syndromes (HE-MACS)
86

Stratifies ACS risk with history and EKG only (not yet externally validated).

Hypothermia Outcome Prediction after ECLS (HOPE) Score
87

Predicts survival following rewarming of hypothermic cardiac arrest patients.

IMPEDE-VTE
88

Predicts risk of venous thromboembolism (VTE) in multiple myeloma.

IMPROVE Risk Score for Venous Thromboembolism (VTE)
89

Predicts 3-month risk of VTE in hospitalized patients.

IMPROVEDD Risk Score for Venous Thromboembolism (VTE)
90

Predicts risk of VTE in hospitalized patients, adding D-dimer to IMPROVE Risk Score.

Indian Takayasu Clinical Activity Score (ITAS2010)
91

Differentiates between active and inactive disease in Takayasu arteritis (TAK).

Infective Endocarditis (IE) Mortality Risk Score
92

Predicts mortality at 6 months in patients with infective endocarditis.

INTERCHEST Clinical Prediction Rule for Chest Pain in Primary Care
93

Rules out coronary artery disease (CAD) in primary care patients with chest pain.

ISTH Criteria for Disseminated Intravascular Coagulation (DIC)
94

Diagnoses overt disseminated intravascular coagulation (DIC).

Kawasaki Disease Diagnostic Criteria
95

Diagnoses Kawasaki Disease.

Killip Classification for Heart Failure
96

Quantifies severity of heart failure in ACS and predicts 30-day mortality.

LACE Index for Readmission
97

Predicts 30-day readmission or death in patients on medicine and surgery wards

Marburg Heart Score (MHS)
98

Rules out coronary artery disease in primary care patients with chest pain.

Martin Equation for Low-Density Lipoprotein Cholesterol (LDL-C)
99

Estimates LDL-C from a standard lipid profile using an adjustable triglyceride:VLDL-C ratio.

Mehran Score for Post-PCI Contrast Nephropathy
100

Predicts risk of contrast-induced nephropathy (CIN) after percutaneous coronary intervention (PCI).

Metabolic Score for Insulin Resistance (METS-IR)
101

Predicts risk of type 2 diabetes in previously undiagnosed patients.

Modified Sgarbossa's Criteria for MI in Left Bundle Branch Block
102

Modified Sgarbossa's Criteria for MI in Left Bundle Branch Block

Modified SOAR Score for Stroke
103

Predicts short-term mortality in acute ischemic stroke.

Natriuretic Response Prediction Equation (NRPE)
104

Predicts the natriuretic response to intravenous loop diuretics

New York Heart Association (NYHA) Functional Classification for Heart Failure
105

Stratifies severity of heart failure by symptoms.

Newsom Score for Non-traumatic Chest Pain
106

Rules out need for chest x-ray in chest pain patients (non-traumatic).

Observatoire Régional Breton sur l’Infarctus (ORBI) Risk Score
107

Stratifies risk of in-hospital cardiogenic shock in patients undergoing primary percutaneous coronary intervention (PCI).

OESIL Score for Syncope
108

Estimates 12-month all-cause mortality in patients presenting with syncope.

ORBIT Bleeding Risk Score for Atrial Fibrillation
109

Predicts bleeding risk in patients on anticoagulation for afib, similar to HAS-BLED.

Ottawa Heart Failure Risk Scale (OHFRS)
110

Identifies ED patients with heart failure at high risk for serious adverse events.

Pediatric Early Warning Score (PEWS)
111

Identifies pediatric patients at risk for clinical deterioration.

PFO-Associated Stroke Causal Likelihood (PASCAL) Classification System
112

Assesses stroke causality due to patent foramen ovale (PFO) by combining RoPE Score and high-risk features.

PLAN Score for Stroke
113

Predicts mortality and severe disability in acute ischemic stroke.

Pooled Cohort Equations to Prevent Heart Failure (PCP-HF) Risk Score
114

Estimates 10-year risk of incident heart failure in asymptomatic adults.

PRECISE-DAPT Score
115

Estimates out-of-hospital bleeding risk in patients treated with dual antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI).

Precision Medicine for Cardiomyopathy (PRIMaCY) Score
116

Predicts sudden cardiac death (SCD) risk in pediatric patients with hypertrophic cardiomyopathy (HCM)

Pulmonary Artery Pulsatility Index (PAPi)
117

Assesses the risk of right ventricular dysfunction in patients with acute inferior wall myocardial infarction and after left ventricular assist device implantation.

READMITS Score for Readmissions in Acute MI
118

Predicts 30-day readmission risk in patients admitted for ST-elevation myocardial infarction (not externally validated).

Resuscitation Using ECPR During In-Hospital Cardiac Arrest (RESCUE-IHCA)
119

Predicts the probability of death for adult extracorporeal cardiopulmonary resuscitation (ECPR).

REVEAL Registry Risk Score 2.0 for Pulmonary Arterial Hypertension (PAH)
120

Predicts survival in patients with pulmonary arterial hypertension.

Reynolds Risk Score for Cardiovascular Risk in Women
121

Estimates 10-year cardiovascular risk in women over age 45 years.

RibScore
122

Predicts adverse pulmonary outcomes from rib fracture.

RIETE Score for Risk of Hemorrhage in Pulmonary Embolism Treatment
123

Determine the risk of major bleeding during anticoagulant therapy.

Risk of Paradoxical Embolism (RoPE) Score
124

Identifies stroke-related PFO in patients with cryptogenic stroke.

RiskE Score for Cardiac Surgery in Active Infective Endocarditis
125

Predicts perioperative mortality in patients with active left-sided endocarditis.

Sampson Equation for Low-Density Lipoprotein Cholesterol (LDL-C)
126

Estimates LDL-C in patients with a low LDL-C level and/or hypertriglyceridemia.

San Francisco Syncope Rule
127

Predicts risk for serious outcomes at 7 days in patients presenting with syncope or near-syncope.

SAVE (Survival after Veno-Arterial ECMO) Score
128

Predicts in-hospital survival in adult patients after VA ECMO for refractory cardiogenic shock

Seattle Heart Failure Model
129

Predicts survival in heart failure.

Sequential Clinical Assessment of Respiratory Function (SCARF) Score
130

Predicts adverse outcomes in critically ill rib fracture patients.

SEX-SHOCK Risk Score for the Development of Cardiogenic Shock
131

Calculates the risk of in-hospital cardiogenic shock in patients with acute coronary syndrome (ACS).

Sgarbossa's Criteria for MI in Left Bundle Branch Block
132

Criteria to diagnose acute MI in patients with prior LBBB.

Shanghai Score
133

Stratifies risk in suspected Brugada syndrome.

Simplified PESI (Pulmonary Embolism Severity Index)
134

Predicts 30-day outcome of patients with PE, with fewer criteria than the original PESI.

Steinhart Model for Acute Heart Failure (AHF) in Undifferentiated DyspneaSteinhart Model for Acute Heart Failure (AHF) in Undifferentiated Dyspnea
135

Diagnoses acute heart failure with NT-proBNP in undifferentiated dyspneic patients.

STUMBL/Battle Score
136

Predicts morbidity in patients with blunt chest wall trauma.

Subtle Anterior STEMI Calculator (4-Variable)
137

Differentiates normal variant ST elevation (benign early repolarization) from anterior STEMI, more sensitive than 3-variable version.

Systematic Coronary Risk Evaluation 2 (SCORE2)
138

Predicts 10-year CVD risk in patients without prior CVD or diabetes.

Systematic Coronary Risk Evaluation 2-Diabetes (SCORE2-Diabetes)
139

Predicts 10-year CVD risk in patients with type 2 diabetes.

Systematic Coronary Risk Evaluation 2-Older Persons (SCORE2-OP)
140

Predicts 10-year CVD risk in older patients.

Tenecteplase (TNK) Dosing for Ischemic Stroke Calculator
141

Doses tenecteplase (a type of tPA) for use in ischemic stroke.

Thrombosis Risk Prediction Following Cast Immobilization (TRiP(cast)) Score
142

Predicts risk of VTE in patients with lower limb trauma.

TIMI Risk Index
143

Provides mortality estimate in patients with ACS using only blood pressure, heart rate, and age.

TIMI Risk Score for STEMI
144

Estimates mortality in patients with STEMI.

TIMI Risk Score for UA/NSTEMI
145

Estimates mortality for patients with unstable angina and non-ST elevation MI.

Tisdale Risk Score for QT Prolongation
146

Predicts risk of QT prolongation greater than 500 msec in hospitalized patients.

tPA (Alteplase) Dosing for Ischemic Stroke Calculator
147

Calculates alteplase dosing for ischemic stroke

Troponin-only Manchester Acute Coronary Syndromes (T-MACS) Decision Aid
148

Rules out acute coronary syndrome.

Urine Output and Fluid Balance
149

Calculates urine output over a 24-hour period.

Vancouver Chest Pain Rule
150

Identifies chest pain patients who are low risk and safe for early discharge.

Villalta Score for Post-thrombotic Syndrome (PTS)
151

Stratifies severity of post-thrombotic syndrome in lower extremity DVT.

VIRSTA Score
152

Estimates risk of infective endocarditis (IE) and determines priority for echocardiography.

VTE-BLEED Score
153

Assesses risk of bleeding while on anticoagulation.

YEARS Algorithm for Pulmonary Embolism (PE)
154

Helps rule out pulmonary embolism (PE) in adult pregnant and non-pregnant patients.

Wells' Criteria for DVT
155

Calculates risk of DVT based on clinical criteria.

PERC Rule for Pulmonary Embolism
156

Rules out PE if no criteria are present and pre-test probability is ≤15%.

Maintenance Fluids Calculations
157

Calculates maintenance fluid requirements by weight.

Light's Criteria for Exudative Effusions
158

Determines if pleural fluid is exudative or transudative.

Pulmonary Embolism Severity Index (PESI)
159

Predicts 30-day outcome of patients with pulmonary embolism.

4-Level Pulmonary Embolism Clinical Probability Score (4PEPS)
160

Rules out PE based on clinical criteria.

6 Minute Walk Distance
161

Calculates reference values for distance walked, as a measure of functional status.

AAP Pediatric Hypertension Guidelines
162

Diagnoses hypertension in pediatric patients; official guideline of the American Academy of Pediatrics.

Charlson Comorbidity Index (CCI)
163

Predicts 10-year survival in patients with multiple comorbidities.

Padua Prediction Score for Risk of VTE
164

Determines anticoagulation need in hospitalized patients by risk of VTE.

© 2026 Imedsource, All Rights Reserved

Sustain the Knowledge Stream!

For unrestricted access to content and a seamless experience,

Continue to Login

Don't have an account?

We’d love to get to know you better!

Complete your profile to help us deliver a more personalized experience.