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Neuro Assistant

A collection of tools for healthcare professionals working with neurological and neurosurgical patients.

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  • A collection of calculators, grading systems and scales commonly used in neurological and neurosurgical clinical practice.
  • Localization aids for vascular lesions, cranial and peripheral nerves, including visual guides and textual reference.
  • Selected short clinical and drug references with the most essential and clinically relevant information in various aspects of practice.


The content is relevant and discoverable and the user interface intuitive and fast. All content is searchable by tags or full-text queries within the app or from the mobile device's search function.


All information is provided after review of the most prominent and up-to-date literature. Links to any original articles or other relevant resources are provided in all content and tools.


Neuromuscular disorders

  • ALSFRS-R - Amyotrophic Lateral Sclerosis Functional Rating Scale Revised
  • Awaji-Shima criteria for ALS
  • EGRIS - Erasmus GBS Respiratory Insufficiency Score
  • El Escorial Criteria - Diagnostic criteria for ALS
  • House-Brackmann Grading system for facial nerve palsy
  • Multifocal motor neuropathy diagnostic criteria
  • Sunnybrook Facial Grading System
  • mEGOS - Modified Erasmus GBS Outcome Score
  • Quantitative Myasthenia Gravis (QMG) test
  • Revised Airlie House criteria for ALS

Disability scales

  • EDSS - Expanded Disability Status Scale
  • Glasgow Outcome Scale for disability after cerebral injury
  • Modified Ashworth Scale for spasticity
  • Modified Rankin Scale for disability
  • Medical Research Council muscle power grading
  • Oxford handicap scale

Neurointensive Care

  • AAN Brain Death Criteria
  • FOUR Score - Full Outline of UnResponsiveness Score for coma
  • GCS - Glasgow Coma Scale
  • Pediatric GCS
  • Ramsay Sedation Scale
  • Richmond Agitation-Sedation Scale

Neuroinflammatory disorders

  • McDonald Criteria - The 2017 Revised McDonald Criteria for MS
  • Risk for PML in Natalizumab treated patients
  • Susac syndrome proposed diagnostic criteria
  • NMOSD Revised (2015) diagnostic criteria

Movement disorders

  • MDS diagnostic criteria for Parkinson's disease
  • Multiple System Atrophy diagnostic criteria
  • UPDRS - Unified Parkinson's Disease Rating Scale (not MDS-UPDRS)
  • L-Dopa Equivalent Dose Calculator

Neurodegenerative disorders

  • Fazekas scale for white matter lesions
  • GCA - Global Cortical Atrophy scale
  • Lewy body dementia diagnostic criteria
  • Logopenic variant PPA diagnostic criteria
  • MTA - Medial Temporal Atrophy scale
  • Nonfluent/agrammatic PPA diagnostic criteria
  • Progressive Primary Aphasia (PPA) diagnostic criteria
  • Semantic variant PPA diagnostic criteria
  • Behavioral variant FTD diagnostic criteria
  • DESH scale for NPH
  • IIH diagnostic criteria

Pharmacology related

  • Anticoagulant Switcher - Recommendations when switching between anticoagulants
  • Drug Interactions Finder - Find interactions of single or multiple drugs


  • TLICS score for thoracolumbar spine injuries
  • IMPACT TBI score


  • MDRD GFR - eGFR calculator using the MDRD formula
  • Body mass index calculator
  • Body surface area calculator
  • Syncope score - help in differential diagnosis of syncope vs epileptic seizure
  • ICD-10 complete, searchable reference

Vascular disorders

  • ABCD² stroke risk after a TIA
  • ABCD³-I stroke risk after a TIA
  • ABC/2 ICH blood volume calculator
  • ASCOD Stroke phenotypic classification
  • ASPECTS Alberta Stroke Program Early CT Score
  • pc-ASPECTS Posterior circulation ASPECTS score
  • ATRIA Bleeding risk in patients on anticoagulation
  • Barrow classification system for carotid-cavernous fistulas
  • Borden classification system for dural arteriovenous fistulas
  • Boston criteria for cerebral amyloid angiopathy
  • Brugada criteria for ventricular tachycardia
  • CHADS₂ Stroke risk in patients with atrial fibrillation
  • CHA₂DS₂-VASc Stroke risk in patients with atrial fibrillation
  • Cognard classification system for dural arterio-venous fistulas
  • DRAGON 3-month outcome in ischemic stroke after tPA treatment
  • Eligibility for tPA - Exclusion criteria for tPA treatment in acute stroke
  • Framingham CVD 10-year risk for developing cardiovascular disease
  • Fisher Scale - Grading and vasospasm risk calculation in SAH
  • Modified Fisher Scale for SAH
  • FUNC Score - Likelihood of independence after ICH
  • GRASPS Risk of post-tPA hemorrhage
  • GWTG Score In-hospital all-cause heart failure mortality
  • HAS-BLED Score - Bleeding risk in patients on anticoagulation
  • HAT Score - Risk of post-tPA hemorrhage
  • HEMORR₂HAGES Score - Risk of major bleeding
  • Hunt & Hess Classification and outcome in SAH
  • ICH Score - Mortality after ICH
  • mCT score - Evaluation of collateral circullation and vascular filling in acute stroke
  • NIH Stroke Scale
  • Ogilvy and Carter Grading - Outcome in aneurysmal SAH
  • PHASES Score - Aneurysm rupture risk
  • RACE - Rapid Arterial oCclusion Evaluation Scale for Stroke
  • RoPE Score - Risk of Paradoxical Embolism Score
  • Spetzler-Martin Grading for arterio-venous malformations
  • SAMe-TT₂R₂ Score - Quality of VKA therapy
  • UIATS Score - Management of unruptured intracranial aneurysms
  • WFNS Scale - Outcome in SAH

Neuropharmacology summaries

Comprehensive summaries including pharmacokinetics, metabolism, drug interactions, dosing suggestions and dose adjustment in patients with impaired renal or hepatic function.

  • Antithrombotics including all newer anticoagulant and antiplatelet drugs.
  • Antiepileptics including all newer antiepileptic drugs.
  • Antiparkinsonian drugs.

Clinical summaries and quick-refs

  • Current evidence-based recommended treatment algorithm for convulsive status epilepticus.
  • Comprehensive coverage of stroke syndromes per artery
  • Spinal cord syndromes
  • Ischemic stroke
  • Nontraumatic ICH
  • Epidural hematoma
  • Acute subdural hematoma
  • Subarachnoid hemorrhage
  • Movement disorder emergencies
  • Neuromuscular emergencies
  • Coma

Neuroanatomy and localization aids

  • Dermatome maps
  • Full reference of peripheral nerves, searchable by root, innervated muscle or sensory area.
  • Cranial nerve reference.
  • Arterial perfusion maps of the brain.
  • Vascular anatomy of the brain.
  • Brainstem anatomy
  • Spinal cord anatomy

2020-10-22  Version 1.8.0

Added revised diagnostic criteria for NMOSD (2015)
Added proposed diagnostic criteria for Susac syndrome
Added revised diagnostic criteria for IIH
Added DESH score for NPH

2020-04-06  Version 1.7.9

Update to iOS 13.3 and Swift 5.1
Fixed minor errata in text

2019-04-26  Version 1.7.8

Added the 2019 version of ICD-10 in a fully searchable format

2019-01-22  Version 1.7.6

Added peripheral nerve syndromes

2019-01-10  Version 1.7.5

Added visual pathway anatomy and lesions pictures

2019-01-03  Version 1.7.4

Expanded brainstem syndromes reference
Added brainstem anatomy diagrams

2018-12-22  Version 1.7.3

Added Diagnostic criteria for Lewy body dementia, behavioural variant FTD, Primary Progressive Aphasia and non-fluent/agrammatic, semantic and logopenic variants
Added spinal cord tract anatomy reference and spinal cord syndromes

2018-12-03  Version 1.7.2

Added cervical plexus reference
Fixed a bug that caused search results from some sections not to show

2018-11-30  Version 1.7.0

Updated guidelines for management of Acute Ischemic Stroke (AHA/ASA Stroke Update 2018)
Added Awaji-Shima diagnostic criteria for ALS
Added Multifocal Motor Neuropathy diagnostic criteria
Added Medical Research Council scale for muscle power
Added MDS diagnostic criteria for Parkinson's disease
Added Multiple System Atrophy diagnostic criteria

2018-09-10  Version 1.6.5

Added pc-ASPECTS score for posterior circulation stroke
Added mCT score for evaluating collateral circulation and vascular filling in acute stroke.

2018-09-06  Version 1.6.4

Added TLICS score for thoracolumbar spine injury
Updated McDonald criteria for MS according to their 2017 revision.
Added IMPACT TBI score calculator.

Version 1.6.2

Added Boston criteria for cerebral amyloid angiopathy
Added Sunnybrook Facial Grading System

Version 1.6.1

Added Neurodegenerative section in calculators
  • Fazekas scale for white matter lesions
  • Global Cortical Atrophy score
  • Medial Temporal Atrophy score
Added Brugada criteria for VT in Vascular section

Version 1.5.0

Added "Syncope vs Seizure score" in calculators
Additions in Emergencies module
Multiple small user interface improvements

Version 1.4.9

Updated for iOS 11.3

Version 1.4.8

New tools added in Calculators module
  • EGRIS - Erasmus GBS Respiratory Insufficiency Score
  • RACE - Rapid Arterial oCclusion Evaluation Scale for Stroke
  • RoPE - Risk of Paradoxical Embolism Score
  • SAMe-TT₂R₂ - Quality of VKA therapy

Version 1.4.6

New in Emergencies module
Neuromuscular emergencies section
  • Respiratory management in NMD patients
  • Drug considerations in NMD patients
  • Guillain-Barré syndrome
  • Acute Porphyria
  • Myasthenic crisis
  • Botulism
New in Calculators module
  • The Quantitative Myasthenia Gravis (QMG) Test

Version 1.4.5

Movement disorders emergencies
  • Neuroleptic malignant syndrome
  • Serotonin syndrome
  • Malignant catatonia
  • Dystonic storm
  • Oculogyric crisis
  • Malignant Tourette syndrome
  • Psychosis in Parkinson's disease

Version 1.4.3

New content in Emergencies module
  • Epidural hematoma
  • Acute subdural hematoma
  • Subarachnoid hemorrhage

Version 1.4.2

New content in Emergencies module
  • Nontraumatic parenchymal hemorrhage

Version 1.4.1

New content in Emergencies module
  • Ischemic stroke

Version 1.4

New content in Vascular territories module
  • Brain venous anatomy reference
  • Review of cerebral venous thrombosis
Improved startup time

Indexing content happens at first startup after install or update. Subsequent startups are almost instantaneous.

Version 1.3

New content in Vascular territories module
  • Brain arterial and venous anatomy reference
  • Review of stroke syndromes organized per-vessel
  • Review of venous sinus thrombosis syndromes
Search function improvements

Search result views are automatically scrolled to the portion matching the given search term and the relevant text is highlighted.

Upcoming changes

New Emergencies module currently contains a single section on status epilepticus. We will be adding sections incrementally as soon as they are complete.

About us

Our aim at Neuraxis is to provide valuable and affordable tools for experts working with neurological and neurosurgical patients.

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Contact us

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