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Sum transparent points for ischemic stroke prevention themes: age, sex, atrial fibrillation, prior TIA/stroke, smoking, diabetes, systolic BP, total cholesterol, HDL, and family history. Educational index—not CHA2DS2-VASc, not a 10-year stroke %. Acute symptoms: BEFAST → call emergency services.
Last updated: June 5, 2026
Sudden weakness, speech trouble, or facial droop need 911—not this questionnaire. Time-sensitive treatments depend on minutes, not risk-factor points.
Moderate stroke risk-factor burden (educational)
8
Moderate burden (8–15) · HDL can subtract
Age
5
Sex
1
AF
0
Prior
0
Smoke
0
DM
0
SBP
1
TC
1
HDL
0
FH
0
Multiple vascular risk factors add up on this questionnaire. Many people in this range benefit from blood pressure monitoring, lipid and glucose testing, smoking cessation support, and discussion of atrial fibrillation screening symptoms (palpitations, irregular pulse).
BEFAST stroke symptoms need 911 / emergency care: Balance, Eyes, Face droop, Arm weakness, Speech trouble, Time to call. This calculator is not for acute symptoms and is not CHA2DS2-VASc (used for anticoagulation in atrial fibrillation under specific rules).
Low — young, few factors
0
Lower burden (0–7)
Default demo
8
Moderate burden (8–15)
AFib + age 65–74
17
Higher burden (16+)
High — AFib + prior TIA + smoking + uncontrolled BP
33
Higher burden (16+)
Educational weights—not validated CHA2DS2-VASc integers or calibrated stroke probabilities.
| Age | Points |
|---|---|
| 18–34 | +0 |
| 35–44 | +1 |
| 45–54 | +3 |
| 55–64 | +5 |
| 65–74 | +7 |
| 75+ | +8 |
| Factor | Pts | Note |
|---|---|---|
| Sex (male) | +1 | Female = 0 on this educational scale |
| Atrial fibrillation (diagnosed) | +5 | Major ischemic stroke driver—anticoagulation context |
| Prior stroke or TIA | +6 | Highest weight—secondary prevention priority |
| Current cigarette smoking | +3 | Cessation reduces vascular event risk over time |
| Diabetes (diagnosed) | +2 | Microvascular and macrovascular burden |
| Family history (stroke <65 in parent/sibling) | +1 | Genetic and shared lifestyle factors |
| mmHg | Pts |
|---|---|
| <120 mmHg | +0 |
| 120–129 mmHg | +0 |
| 130–139 mmHg | +1 |
| 140–159 mmHg | +2 |
| ≥160 mmHg | +3 |
| mg/dL | Pts |
|---|---|
| <200 mg/dL | +0 |
| 200–239 mg/dL | +1 |
| ≥240 mg/dL | +2 |
| mg/dL | Pts |
|---|---|
| ≥60 mg/dL | -1 |
| 40–59 mg/dL | +0 |
| <40 mg/dL | +2 |
| Total points | Tier | Typical next step |
|---|---|---|
| 0–7 | Lower burden | Maintain healthy BP, lipids, activity; know BEFAST symptoms |
| 8–15 | Moderate burden | Discuss BP, lipids, glucose, smoking, pulse symptoms with clinician |
| 16+ | Higher burden | Urgent review if AFib or prior TIA/stroke selected—prevention plan with specialist |
Tier: Moderate burden (8–15) — worth discussing blood pressure, lipids, pulse symptoms, and lifestyle with a clinician; not a diagnosis.
| Aspect | This calculator | CHA2DS2-VASc |
|---|---|---|
| Purpose | Broad ischemic stroke risk-factor education | AFib-specific stroke risk for anticoagulation discussion |
| AFib handling | +5 points if diagnosed | Not a point—score assumes AFib context |
| Prior stroke/TIA | +6 points | +2 points (stroke/TIA/thromboembolism) |
| Age | Graduated bands 0–8 | 65–74 +1, ≥75 +2 |
| Output | Educational point total + tier | Integer 0–9 + annual stroke % estimates |
| Treatment | No anticoagulation advice | Used with HAS-BLED bleeding risk |
| Letter | Sign | Example |
|---|---|---|
| B | Balance | Sudden dizziness, loss of balance or coordination |
| E | Eyes | Sudden vision loss or double vision |
| F | Face | Facial droop—smile uneven |
| A | Arm | Arm weakness—drift when raised |
| S | Speech | Slurred or strange speech |
| T | Time | Call emergency services immediately—time is brain |
| Type | Cause | Here? |
|---|---|---|
| Ischemic (~87% US strokes) | Clot blocking brain artery | Yes—AFib, HTN, lipids, diabetes, smoking |
| Hemorrhagic (~13%) | Bleeding into brain tissue | No—HTN and anticoagulants differ; not this questionnaire |
| TIA | Transient symptoms <24 h | Prior TIA counts like stroke history (+6) |
| Factor | Target |
|---|---|
| Blood pressure control | Often <130/80 per individual plan |
| Atrial fibrillation anticoagulation | When CHA₂DS₂-VASc warrants |
| Statin / lipid management | LDL per guideline |
| Smoking cessation | Complete quit |
| Diabetes care | A1c, BP, statin per plan |
| Physical activity & diet | Mediterranean-style patterns |
Educational disclaimer: This stroke risk calculator is not NIHSS, not a calibrated 10-year stroke probability, not CHA2DS2-VASc, and not for acute triage. Do not start or stop medications based on this score. Call emergency services for suspected stroke.
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