HeyHippocratesChest pain, sepsis, stroke, trauma — a colleague who cites every call.
Clinical decision support that reasons like an emergency physician while you decide: score the risk, run the hour-1 bundle, make the disposition — with the decision rule and exactly what would change it. Built for verified emergency physicians.
Watch it think — in emergency medicine.
Two worked examples, reasoned the way it answers: the relevant clinical checks run, the answer is cited, the decision rule is explicit, and what is missing is flagged.
45-year-old, atypical chest pain, non-ischemic ECG, first troponin negative, two cardiac risk factors — admit or discharge?
Score it with HEART: a moderately suspicious history (1), a non-specific ECG (0), age 45–64 (1), two risk factors (1) and a negative initial troponin (0) gives roughly a HEART of 3 — low risk — but a single troponin is not enough. Add a delta troponin (0/1- or 0/3-hour); if it stays negative and HEART is 0–3, an accelerated-discharge pathway with early follow-up is reasonable.
Decision ruleHEART 0–3 + negative serial troponin → low risk, discharge pathway; 4–6 → observe / serial testing; ≥7 → high risk, admit and cardiology.
Not established from this alone — the exact ECG, serial troponin, ongoing pain and risk-factor detail change the disposition.
68-year-old, fever, blood pressure 84/50, lactate 4.2, suspected pneumonia — first-hour priorities?
This is septic shock. Run the Surviving Sepsis first-hour bundle: draw lactate and blood cultures before antibiotics, give broad-spectrum antibiotics early, and start 30 mL/kg balanced crystalloid for hypotension or a lactate ≥4. If the MAP stays below 65 mmHg after fluids, start norepinephrine, and re-measure lactate to guide ongoing resuscitation.
Decision ruleSuspected sepsis → cultures then early antibiotics, 30 mL/kg crystalloid for hypotension / lactate ≥4, norepinephrine for MAP <65 mmHg, lactate-guided reassessment.
Not established from this alone — the source, comorbidities, fluid tolerance and antibiotic history change the plan.
Illustrative simulations. The physician always decides.
The answers emergency physicians actually look up.
The exact questions your field searches for — answered in the format the knowledge base speaks: the answer, the decision rule, what's missing, and the source.
Chest pain — HEART score, admit or discharge?
HEART scores five elements 0–2 each: History, ECG, Age, Risk factors and Troponin. A total of 0–3 is low risk (roughly 1–2% six-week major adverse cardiac events) and supports discharge with follow-up; 4–6 is moderate (observe, serial troponin, often admit); 7–10 is high risk → admit and early cardiology. Pair it with a 0/1- or 0/3-hour troponin protocol.HEART score
Decision ruleHEART 0–3 + negative serial troponin → discharge pathway; 4–6 → observe; ≥7 → admit and cardiology.
Missing data: the ECG read, serial troponin, symptom quality and risk factors change the score and the disposition.
Sepsis — the first-hour bundle?
Measure lactate, draw blood cultures before antibiotics, give broad-spectrum antibiotics, and start 30 mL/kg crystalloid for hypotension or a lactate ≥4 mmol/L. Apply vasopressors during or after fluids to keep the MAP ≥65 mmHg, and re-measure lactate. Source control and antibiotic de-escalation follow once the organism and site are known.Surviving Sepsis
Decision ruleLactate → cultures → early antibiotics → 30 mL/kg crystalloid → vasopressors for MAP ≥65 mmHg → reassess lactate and source.
Missing data: the source, comorbidities, fluid responsiveness and local resistance patterns change antibiotics and volume.
Suspected pulmonary embolism — Wells, PERC and D-dimer?
Stratify pretest probability first. In a low-probability patient who is PERC-negative, no testing is needed. Otherwise a low/moderate Wells goes to an age-adjusted D-dimer — a negative result rules out, a positive result goes to CT pulmonary angiography. A high Wells goes straight to CTPA. This avoids scanning everyone without missing PE.Wells · PERC
Decision ruleLow probability + PERC-negative → stop; low/moderate → age-adjusted D-dimer → CTPA if positive; high → CTPA directly.
Missing data: pretest probability, renal function, pregnancy and hemodynamic status change the pathway.
Acute ischemic stroke — thrombolysis eligibility and window?
For a disabling deficit, IV thrombolysis (alteplase, or tenecteplase) is offered within 4.5 hours of a known onset once hemorrhage is excluded on CT and contraindications (recent surgery, anticoagulation, active bleeding) are checked. A large-vessel occlusion adds mechanical thrombectomy, selectable out to 24 hours with favorable imaging. Time is brain — parallelize the workup.AHA/ASA stroke
Decision ruleIschemic + disabling + ≤4.5 h + no contraindication → thrombolysis; large-vessel occlusion → thrombectomy (to 24 h with imaging selection).
Missing data: the exact onset time, CT/CTA, glucose, blood pressure and contraindications drive eligibility.
What it knows in emergency medicine
Your whole practice, one specialist brain — grounded in specialist-written, cited knowledge.
A generalist emergency colleague across resuscitation, trauma, chest pain, airway, neuro and toxicology — cited, non-directive, always with the decision rule.
Deep specialist agents for trauma & critical care, toxicology, pediatric emergency medicine and point-of-care ultrasound — each its own specialist voice and knowledge base — plus your own uploaded materials.
Why not just use OpenEvidence or ChatGPT?
A large language model answers any clinical question with total confidence and no idea whether it is right. A search engine finds papers. HeyHippocrates reasons inside your specialty from a knowledge base a specialist in your field wrote and signed, and tells you the decision rule and what is missing.
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Questions emergency physicians ask
It works in the tools you use — HEART for chest pain, Wells/PERC for PE, qSOFA for sepsis — and always shows the reasoning behind the score, the disposition threshold, and what would change it. The decision always stays your call.
Both. Residents use it to pressure-test a plan and learn the decision rule; attendings use it as a fast, cited second opinion between cases. Access is gated to verified physicians.
Trauma & critical care, toxicology, pediatric emergency medicine and point-of-care ultrasound each have their own deep specialist agent on the Pro plan, on top of the full general emergency-medicine scope on Basic.
No. It is physician-facing clinical decision support — a cited thinking partner. It does not diagnose, does not treat, and gives no patient-facing advice. The decision always stays with you.
Every answer is grounded only in specialist-written, cited emergency-medicine knowledge — traceable to a named source — and always states the decision rule plus what data is missing, instead of a confident guess.