Cardiology · Internal Medicine
AMI READMITS Score calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Allowed range: 18–120 years
One point for each completed 10 years after age 18. Age 27 scores 0 and age 28 scores 1.
Allowed range: 0.1–20 mg/dL
Above 2 mg/dL scores 6 points. A value of 2 does not. Micromoles per litre convert by dividing by 88.4.
Allowed range: 0–100000 pg/mL
50 pg/mL or higher scores 8 points, whether or not NT-proBNP is also high. Enter 0 if it was not measured.
Allowed range: 0–200000 pg/mL
125 pg/mL or higher scores 8 points when BNP is under 50. The two peptides together still score 8, not 16. Enter 0 if it was not measured.
Allowed range: 40–260 mmHg
Systolic pressure under 100 mmHg scores 3 points. A value of 100 does not.
Result
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Clinical inputs
- Age (years)Accepted range: 18 to 120
- Sex
- Serum creatinine (mg/dL)Accepted range: 0.1 to 20
- B-type natriuretic peptide (pg/mL)Accepted range: 0 to 100000
- N-terminal pro-B-type natriuretic peptide (pg/mL)Accepted range: 0 to 200000
- Diabetes
- Percutaneous coronary intervention within 24 hours
- Systolic blood pressure (mmHg)Accepted range: 40 to 260
Primary source
Nguyen OK et al. Predicting 30-day hospital readmissions in acute myocardial infarction: the AMI READMITS score. J Am Heart Assoc. DOI: 10.1161/JAHA.118.008882. PMID: 29666065. Table 2 points: creatinine above 2 mg/dL 6, BNP at least 50 pg/mL or NT-proBNP at least 125 pg/mL 8, 1 point per decade of age above 18 years, diabetes 4, female sex 2, no percutaneous coronary intervention within 24 hours 1, systolic pressure under 100 mmHg 3. Age points are the number of completed decades after 18 years. Table 4: 13 or lower extremely low (observed readmission 2%), 14 to 15 low (8%), 16 to 17 moderate (9%), 18 to 19 high (17%), 20 or higher extremely high (34%). (2018)
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