Canadian Syncope Risk Score
Canadian Syncope Risk Score: vasovagal predisposition (-1), heart-disease history (1), extreme SBP (2), elevated troponin (2), abnormal QRS axis (1), QRS > 130 ms (1), QTc > 480 ms (2), ED vasovagal diagnosis (-2),…
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Heart-disease history
- Yes
- Troponin > 99th percentile
- Yes
Result: Score 3: medium risk.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- -3 to 0
- Very-low to low risk of a serious 30-day adverse event.
- 1 to 3
- Medium risk of a serious 30-day adverse event.
- 4 to 11
- High to very-high risk of a serious 30-day adverse event.
What you enter
- Vasovagal predisposition (-1)
- Heart-disease history (+1)
- Any SBP < 90 or > 180 (+2)
- Troponin > 99th percentile (+2)
- Abnormal QRS axis (+1)
- QRS > 130 ms (+1)
- QTc > 480 ms (+2)
- ED diagnosis of vasovagal syncope (-2)
- ED diagnosis of cardiac syncope (+2)
How this is calculated
Thiruganasambandamoorthy V, et al. CMAJ. 2016;188(12):E289-E298 (Canadian Syncope Risk Score). Score -3 to +11 with 30-day serious-outcome bands. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.