Patient tools

Understand your heart, one number at a time

These tools run entirely in your browser and store nothing on our servers. None of them diagnoses anything: each one turns confusing numbers and vague worries into clear questions you can bring to a real doctor.

1. 01Start hereHeart Habits CheckEight questions, one for each factor the American Heart Association calls Life's Essential 8. No score, no risk percentage: an itemized picture of what is worth raising with your doctor.
2. 02ExplainerBlood Pressure Reading ExplainerType in the two numbers from any reading and see which reference category they fall in, what that does and does not mean, and how to measure properly. One reading is never a diagnosis.
3. 03Could save a lifeKnow the SignsThe classic heart attack warning signs, the quieter ones that get missed, and the patterns that usually point elsewhere, with a clear emergency pathway at every step.
4. 04ExplainerCholesterol Numbers ExplainerPaste in the values from your lipid report, in either unit, and get each number explained in plain language against public reference conventions. Your doctor's target always wins.

Written against American Heart Association, NHS and WHO public guidance. Last reviewed 2026-07-16.