10-year risk under 3%

Your situation (severe hypercholesterolemia short-circuits the risk score) 10-yr risk <3%

Routing steprisk-under-3Fewer than 5 people have reached this rule so far

Clinical review

No clinician has signed off this rule yet. It reflects our reading of the guidelines cited below, which has not been independently checked.

What someone who reaches this rule is told

This is a routing step: it says nothing itself, and decides which rule applies next. For the example person, that is Low risk, nothing else on record.

An example person who reaches it

“Low risk, nothing flagged” — an illustrative profile, not a real user.

42-year-old womanBP 118/74LDL 10010-yr PREVENT-ASCVD 0.6%

Their path through cholesterol

Known ASCVD (prior heart attack, stroke, or revascularization)?No
Your situation (severe hypercholesterolemia short-circuits the risk score)10-yr risk <3% ← this rule
Age 30–59 with high lifetime risk, or a major risk enhancer (e.g. premature family history, South Asian ancestry) or elevated Lp(a)?No

Where it sits

Asked after: No known cardiovascular disease

Then asks: Age 30–59 with high lifetime risk, or a major risk enhancer (e.g. premature family history, South Asian ancestry) or elevated Lp(a)?

What we are least sure of here

Q7Are 3% and 5% the right PREVENT-based bands? The load-bearing assumption of the whole product.

Review this rule

For practising clinicians. Endorse it, propose a change, or dispute it. We verify every reviewer before a review is shown, and a review stays attached to the version of the rule you saw — if the rule changes, the page says so. You'll be asked to declare any relevant interests; they're shown with your review.

Runs in lib/engine/lipidPathway.ts as risk-under-3.