NEXUS II Head CT Decision Rule | OpiCalc

ABC/2 Haematoma Volume AO Spine Cervical Classification AO Spine Thoracolumbar Classification ARUBA Trial Eligibility Reference ASA Physical Status Classification ASIA Impairment Scale (AIS)Barrow Ruptured Aneurysm Trial (BRAT) Eligibility BNI Pain Intensity Score Boston Carpal Tunnel Questionnaire BRAIN Score (ICH expansion)Burchiel Classification (Facial Pain)Canadian CT Head Rule Carpal Tunnel Severity Scale (CTS-SS)Cauda Equina Syndrome Risk Cavernoma Haemorrhage Risk Calculator Cerebral Perfusion Pressure Calculator CHALICE Rule (Paediatric TBI)Cognard Classification (dAVF)CRASH TBI Prognosis Model Cushing's Triad Dandy Criteria (IIH)DBS Target Selection Reference DCM-IS Score (Cervical Myelopathy)Dural Closure Tension Assessment EC-IC Bypass Flow Adequacy ECOG Performance Status ETV Success Score Evans Index (Ventriculomegaly)Fisher Scale (SAH)FOUR Score (Coma Scale)FUNC Score (ICH Independence)GCS-Pupils (GCS-P)Glasgow Coma Scale Hakim-Adams Triad (NPH)Helsinki CT Score Hirabayashi Recovery Rate Hunt & Hess Scale ICH Grading Scale (IGS)ICH Score (Intracerebral Hem)ICP Threshold Risk ICP Waveform P2/P1 Ratio IDH Mutation & Glioma WHO 2021 IMPACT TBI Outcome Model Injury Severity Score (ISS)iNPH Grading Scale Intraop Neuromonitoring Alerts ISNCSCI Neurological Level Karnofsky Performance Status Lawton-Young AVM Supp Grade Leksell SRS Dose Reference Lundberg Wave Classifier Mackinnon Nerve Injury Class Marshall CT Classification Meningioma Grading (WHO 2021)MGMT Promoter Methylation MIRELS Score (Bone Mets)mJOA Score (Cervical Myelopathy)Modified Fisher Scale Modified Rankin (mRS)Monro-Kellie Compensatory Simulator Moyamoya Suzuki Angiographic Grade MRC Motor Power Scale MVD vs SRS Selection (TN)Narakas Obstetric Brachial Plexus Neck Disability Index (NDI)Neurological Pupil Index (NPi)New Orleans Criteria (Head CT)NEXUS II Head CT Decision Rule NSQIP Surgical Risk (Neurosurgery)Nurick Grade (Cervical Myelopathy)Ogilvy & Carter SAH Grade OPLL Progression Risk Oswestry Disability Index (ODI)PECARN TBI Decision Rule PHASES Score (Unruptured Aneurysm)Post-Op ICH Complication Risk Programmable Shunt Pressure Guide PRx Pressure Reactivity Index Radiation Necrosis vs Recurrence (MRI)Revised Trauma Score (RTS)Rotterdam CT Score RPA Class (Glioblastoma)SCS Trial Eligibility sICH Score (Post-tPA Hemorrhage)Simpson Grading (Meningioma)SINS Score (Spinal Instability)SLIC Score (Cervical Spine Trauma)Spetzler-Martin AVM Grade SRS Radiosurgery Eligibility (Brain Mets)Sunderland Nerve Injury Grade Tap Test Predictor (iNPH)Tinel Sign Progression Tracker TLICS Score (Thoracolumbar Spine)Tokuhashi Score (Spinal Mets)Tomita Score (Spinal Mets)Trigeminal Neuralgia Classification UIATS Score (Aneurysm Treatment)UPDRS-III Motor Subscale (Parkinson's)VASOGRADE (SAH DCI Risk)Venous Air Embolism Checklist WFNS SAH Grade