{"success":true,"version":"v1","request":{"tool":"get_calculator_schema","calculator_id":"blood-pressure"},"result":{"entity_type":"calculator","id":"blood-pressure","calculator_id":"blood-pressure","canonical_url":"https://tttkmbb.com/health/blood-pressure","name":"Blood Pressure Category Calculator","title":"Blood Pressure Category Calculator – ACC/AHA 2017 Classification","category":"health","category_name":"Health","tool_name":"classify_blood_pressure","featured_mcp_tool":false,"description":"Classifies a systolic/diastolic blood pressure reading into the ACC/AHA 2017 categories (normal, elevated, stage 1, stage 2, hypertensive crisis) and reports mean arterial and pulse pressure.","use_when":"You have a resting blood-pressure reading and want the standard adult category plus MAP and pulse pressure.","do_not_use_when":"Diagnosing hypertension (requires repeated readings over time) or for children and pregnant women, who use different thresholds.","inputs":[{"name":"systolic_mmhg","label":"Systolic","type":"number","unit":"mmHg","required":true,"min":50,"max":300,"description":"Upper reading.","example":118},{"name":"diastolic_mmhg","label":"Diastolic","type":"number","unit":"mmHg","required":true,"min":20,"max":200,"description":"Lower reading.","example":76}],"outputs":[{"name":"category","label":"Category","type":"string","decimals":4,"description":"ACC/AHA 2017 blood pressure category."},{"name":"mean_arterial_pressure_mmhg","label":"Mean arterial pressure","type":"number","unit":"mmHg","decimals":1,"description":"MAP ≈ diastolic + (systolic − diastolic) / 3."},{"name":"pulse_pressure_mmhg","label":"Pulse pressure","type":"number","unit":"mmHg","decimals":0,"description":"Systolic − diastolic."}],"input_schema":{"type":"object","properties":{"systolic_mmhg":{"description":"Upper reading. Unit: mmHg.","type":"number","minimum":50,"maximum":300,"examples":[118],"x-unit":"mmHg"},"diastolic_mmhg":{"description":"Lower reading. Unit: mmHg.","type":"number","minimum":20,"maximum":200,"examples":[76],"x-unit":"mmHg"}},"additionalProperties":false,"required":["systolic_mmhg","diastolic_mmhg"]},"output_schema":{"type":"object","properties":{"category":{"description":"ACC/AHA 2017 blood pressure category.","type":"string"},"mean_arterial_pressure_mmhg":{"description":"MAP ≈ diastolic + (systolic − diastolic) / 3. Unit: mmHg.","type":"number","x-unit":"mmHg"},"pulse_pressure_mmhg":{"description":"Systolic − diastolic. Unit: mmHg.","type":"number","x-unit":"mmHg"}}},"formula":"Normal <120 and <80; Elevated 120–129 and <80; Stage 1: 130–139 or 80–89; Stage 2: ≥140 or ≥90; Crisis: >180 and/or >120. MAP = DBP + (SBP − DBP)/3.","sources":[{"name":"Whelton PK et al. (2018) 2017 ACC/AHA Guideline for High Blood Pressure in Adults, Hypertension 71:e13-e115","url":"https://www.ahajournals.org/doi/10.1161/HYP.0000000000000065","type":"standard","retrieved_at":"2026-09-23"}],"freshness":{"type":"static","max_age_seconds":null,"note":"Deterministic formula with fixed constants; results never go stale. Inputs supplied by the caller determine the output."},"examples":[{"name":"118/76","inputs":{"systolic_mmhg":118,"diastolic_mmhg":76},"expected":{"category":"Normal","mean_arterial_pressure_mmhg":90,"pulse_pressure_mmhg":42},"url":"https://tttkmbb.com/api/v1/calculate/blood-pressure?systolic_mmhg=118&diastolic_mmhg=76"},{"name":"135/85","inputs":{"systolic_mmhg":135,"diastolic_mmhg":85},"expected":{"category":"Hypertension stage 1"},"url":"https://tttkmbb.com/api/v1/calculate/blood-pressure?systolic_mmhg=135&diastolic_mmhg=85"},{"name":"185/95","inputs":{"systolic_mmhg":185,"diastolic_mmhg":95},"expected":{"category":"Hypertensive crisis (seek care immediately)"},"url":"https://tttkmbb.com/api/v1/calculate/blood-pressure?systolic_mmhg=185&diastolic_mmhg=95"}],"faq":[{"q":"Do European guidelines differ?","a":"Yes. ESC/ESH define hypertension from 140/90 mmHg and use 'high-normal' for 130–139/85–89; this calculator uses the US ACC/AHA 2017 scheme."}],"tags":["blood pressure","hypertension","systolic","diastolic","map","pulse pressure"],"related":[{"calculator_id":"heart-rate-zones","reason":"Related cardiovascular training metric."}],"links":{"html":"https://tttkmbb.com/health/blood-pressure","markdown":"https://tttkmbb.com/health/blood-pressure.md","json":"https://tttkmbb.com/health/blood-pressure.json","api":"https://tttkmbb.com/api/v1/calculate/blood-pressure","schema":"https://tttkmbb.com/api/v1/calculators/blood-pressure","openapi":"https://tttkmbb.com/openapi.json","mcp":"https://tttkmbb.com/mcp"},"version":"v1","updated_at":"2026-09-23"},"timestamp":"2026-09-23T23:32:17Z","next_actions":[{"tool":"run_calculator","calculator_id":"blood-pressure","reason":"Run Blood Pressure Category Calculator with the inputs above."}],"links":{"markdown":"https://tttkmbb.com/health/blood-pressure.md"}}