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© 2026 Heidi. All rights reserved.

Heidi Desktop goes where the browser can’t.

Dictate anywhere on your screen, capture telehealth audio straight from the call,
and skip the second login.

Download for macOSDownload for Windows

Warning: Clinical review pending: not for clinical use

E

Eye Opening

Best spontaneous or stimulated response

V

Verbal Response

Best verbal response

M

Motor Response

Best motor response

For clinical decision support only. Always integrate with full clinical assessment, local guidelines, and patient preferences.

GCS Score

15/ 15
Mild impairment

Consistent with mild traumatic brain injury or minimal alteration in consciousness.

Reported as E + V + M (e.g. E4V5M6 = 15). Intubated or otherwise non-verbal patients cannot receive a verbal score.

Teasdale G, Jennett B. Assessment of coma and impaired consciousness. A practical scale. Lancet. 1974;2(7872):81-84.

Trusted by clinicians worldwide. Supporting 2.7 million patient visits weekly.
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Wilmington Health logo
Cambridge Memorial Hospital logo
Jane Pauley Community Health Center logo
Sensible Care logo
Strive Health logo
New Brunswick Media Society logo
DMC Primary care logo
Airrosti logo
Wilmington Health logo
Cambridge Memorial Hospital logo
Jane Pauley Community Health Center logo
Sensible Care logo
Strive Health logo
New Brunswick Media Society logo
DMC Primary care logo
Airrosti logo
Wilmington Health logo
Cambridge Memorial Hospital logo
Jane Pauley Community Health Center logo
Sensible Care logo
Strive Health logo
New Brunswick Media Society logo
DMC Primary care logo
Airrosti logo
Heidi Tools

GCS Score Calculator

The Glasgow Coma Scale is a structured neurological assessment tool that provides a reliable, objective measure of the conscious state of a patient, both at initial presentation and during serial monitoring. Calculate GCS score below:

Heidi Evidence

Ran the GCS score calculator? Ask Evidence what follows.

Heidi Evidence answers from the context of the visit in front of you, with guidance drawn from trusted guidelines on screen when you weigh your own reasoning before making decisions.

Explore Evidence

Fire all three scores in seconds

Query Evidence and every answer arrives with inline citations. Click a citation to see the verbatim source passage, the publication, and the reliability tier behind the claim.

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Advantages of Using Heidi Evidence

Every answer opens to its source

Every summary carries citations with verbatim excerpts from the source, so you can open it, read it in context and confirm it says what the answer claims. What surfaces are decided by clinical quality, the governed alternative to pasting a clinical question into a general AI chatbot and hoping the answer holds.

Guidance that fits where you practice

Heidi Evidence draws on sources clinicians already trust, from Elsevier and DynaMed to MIMS Australia, and your organization can layer in its own regional pathways, policies, and formularies.

Built safe to give you sound ground

Heidi is the first in its field to hold ISO 42001 certification for AI management. Since Evidence is designed as a reference tool, the clinical call (and the responsibility for it) stays with you.

The context comes with the question

Evidence draws on the patient visit and its context, so the specifics travel with the question instead of being left behind. When a calculation is involved, the logic sits alongside the result, so you can see how it was reached and confirm it yourself rather than trust a black box.

Testimonials from Clinicians Using Heidi Evidence

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“Evidence lets me take those basic recommendations and back them with proper sources, so the GP understands where I'm coming from.”

Making that connection between the patient and the GP, like a puzzle fitting together.

Deborah Hawthorne

Consultant Pharmacist
“Keeping up with evidence is so important for our profession... [With Heidi Evidence] You have that information available on the spot, which for me was quite valuable, and it's been pretty accurate as well.”

Clinicians at Connect2Care

GCS Score Calculator Key Points

Medical knowledge only. Not for autonomous decision making. Check sources and use your clinical judgement.

Every tier shares a baseline: urgent head CT, head up 30 to 45 degrees, SpO2 above 94%, temperature under 38°C and SBP above 100 mmHg between ages 50 and 69, above 110 mmHg outside that band. Repeat the CT at six hours. Score E, V and M separately, after resuscitation and before sedation or paralysis.

Mortality tracks the tier: roughly 0.1% at 13 to 15, near 10% at 9 to 12, close to 40% at 8 or below. Mild cases image by Canadian CT Head Rule or NEXUS, though NSW ACI caps mild at 14 to 15 and leaves 13 for closer watch. Moderate means admission, serial GCS and neurosurgical review for hematoma, contusion or midline shift. Severe adds a definitive airway, full spinal precautions and an ICP monitor in salvageable patients with an abnormal CT (BTF Level IIB), targeting ICP at or below 22 mmHg and CPP 60 to 70 mmHg. Anyone at 12 or below goes to a top-level trauma center.

Tiering by sum score is under revision. The NIH-NINDS 2025 nomenclature initiative proposes four pillars instead: clinical assessment with pupillary reactivity, biomarkers, imaging and functional outcomes. Identical totals can hide very different pathophysiology.

Showing 5 of 6 questions
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