{ "template": { "code": "nihss", "name": "NIH Stroke Scale", "category": "disease", "version": 1, "is_current": true, "is_active": true, "scoring_strategy": "sum_items", "description": "National Institutes of Health Stroke Scale (NIHSS). Total 0–42. Required on stroke pathway activation.", "meta": { "capture_roles": ["doctor"], "specialty": "neurology", "estimated_minutes": 10, "pathway_codes": ["stroke"], "max_total": 42, "attribution": "NIH Stroke Scale (NIHSS) — public-domain clinical instrument originating from NINDS/NIH. Confirm local training and documentation requirements for clinical use." } }, "questions": [ { "code": "1a_loc", "section": "1. Level of consciousness", "label": "1a. Level of consciousness", "help_text": "Alertness.", "answer_type": "score_item", "is_required": true, "sort_order": 10, "score_key": "loc", "options": { "min": 0, "max": 3, "choices": [ { "code": "0", "label": "Alert; keenly responsive", "score": 0 }, { "code": "1", "label": "Not alert; arousable by minor stimulation", "score": 1 }, { "code": "2", "label": "Not alert; requires repeated stimulation / obtunded", "score": 2 }, { "code": "3", "label": "Responds only with reflex motor or autonomic effects / totally unresponsive", "score": 3 } ] } }, { "code": "1b_loc_questions", "section": "1. Level of consciousness", "label": "1b. LOC questions", "help_text": "Month and age. Score only initial answer.", "answer_type": "score_item", "is_required": true, "sort_order": 20, "score_key": "loc", "options": { "min": 0, "max": 2, "choices": [ { "code": "0", "label": "Answers both questions correctly", "score": 0 }, { "code": "1", "label": "Answers one question correctly", "score": 1 }, { "code": "2", "label": "Answers neither question correctly", "score": 2 } ] } }, { "code": "1c_loc_commands", "section": "1. Level of consciousness", "label": "1c. LOC commands", "help_text": "Open and close eyes; grip and release non-paretic hand.", "answer_type": "score_item", "is_required": true, "sort_order": 30, "score_key": "loc", "options": { "min": 0, "max": 2, "choices": [ { "code": "0", "label": "Performs both tasks correctly", "score": 0 }, { "code": "1", "label": "Performs one task correctly", "score": 1 }, { "code": "2", "label": "Performs neither task correctly", "score": 2 } ] } }, { "code": "2_gaze", "section": "2. Best gaze", "label": "2. Best gaze", "help_text": "Horizontal eye movements only.", "answer_type": "score_item", "is_required": true, "sort_order": 40, "score_key": "gaze", "options": { "min": 0, "max": 2, "choices": [ { "code": "0", "label": "Normal", "score": 0 }, { "code": "1", "label": "Partial gaze palsy", "score": 1 }, { "code": "2", "label": "Forced deviation, or total gaze paresis not overcome by oculocephalic maneuver", "score": 2 } ] } }, { "code": "3_visual", "section": "3. Visual", "label": "3. Visual fields", "answer_type": "score_item", "is_required": true, "sort_order": 50, "score_key": "visual", "options": { "min": 0, "max": 3, "choices": [ { "code": "0", "label": "No visual loss", "score": 0 }, { "code": "1", "label": "Partial hemianopia", "score": 1 }, { "code": "2", "label": "Complete hemianopia", "score": 2 }, { "code": "3", "label": "Bilateral hemianopia (blind including cortical blindness)", "score": 3 } ] } }, { "code": "4_facial", "section": "4. Facial palsy", "label": "4. Facial palsy", "answer_type": "score_item", "is_required": true, "sort_order": 60, "score_key": "facial", "options": { "min": 0, "max": 3, "choices": [ { "code": "0", "label": "Normal symmetrical movements", "score": 0 }, { "code": "1", "label": "Minor paralysis (flattened nasolabial fold, asymmetry on smiling)", "score": 1 }, { "code": "2", "label": "Partial paralysis (total or near-total paralysis of lower face)", "score": 2 }, { "code": "3", "label": "Complete paralysis of one or both sides (upper and lower face)", "score": 3 } ] } }, { "code": "5a_motor_arm_left", "section": "5. Motor arm", "label": "5a. Motor arm — left", "help_text": "Extend arms 90° (sitting) or 45° (supine) for 10 seconds.", "answer_type": "score_item", "is_required": true, "sort_order": 70, "score_key": "motor_arm", "options": { "min": 0, "max": 4, "choices": [ { "code": "0", "label": "No drift; limb holds 90° (or 45°) for full 10 seconds", "score": 0 }, { "code": "1", "label": "Drift; limb holds but drifts down before full 10 seconds", "score": 1 }, { "code": "2", "label": "Some effort against gravity", "score": 2 }, { "code": "3", "label": "No effort against gravity; limb falls", "score": 3 }, { "code": "4", "label": "No movement", "score": 4 }, { "code": "UN", "label": "Amputation or joint fusion (score as 0 for total; document)", "score": 0 } ] } }, { "code": "5b_motor_arm_right", "section": "5. Motor arm", "label": "5b. Motor arm — right", "answer_type": "score_item", "is_required": true, "sort_order": 80, "score_key": "motor_arm", "options": { "min": 0, "max": 4, "choices": [ { "code": "0", "label": "No drift; limb holds 90° (or 45°) for full 10 seconds", "score": 0 }, { "code": "1", "label": "Drift; limb holds but drifts down before full 10 seconds", "score": 1 }, { "code": "2", "label": "Some effort against gravity", "score": 2 }, { "code": "3", "label": "No effort against gravity; limb falls", "score": 3 }, { "code": "4", "label": "No movement", "score": 4 }, { "code": "UN", "label": "Amputation or joint fusion (score as 0 for total; document)", "score": 0 } ] } }, { "code": "6a_motor_leg_left", "section": "6. Motor leg", "label": "6a. Motor leg — left", "help_text": "Hold leg at 30° for 5 seconds (always tested supine).", "answer_type": "score_item", "is_required": true, "sort_order": 90, "score_key": "motor_leg", "options": { "min": 0, "max": 4, "choices": [ { "code": "0", "label": "No drift; leg holds 30° for full 5 seconds", "score": 0 }, { "code": "1", "label": "Drift; leg falls by the end of 5-second period but does not hit bed", "score": 1 }, { "code": "2", "label": "Some effort against gravity; leg falls to bed by 5 seconds", "score": 2 }, { "code": "3", "label": "No effort against gravity; leg falls to bed immediately", "score": 3 }, { "code": "4", "label": "No movement", "score": 4 }, { "code": "UN", "label": "Amputation or joint fusion (score as 0 for total; document)", "score": 0 } ] } }, { "code": "6b_motor_leg_right", "section": "6. Motor leg", "label": "6b. Motor leg — right", "answer_type": "score_item", "is_required": true, "sort_order": 100, "score_key": "motor_leg", "options": { "min": 0, "max": 4, "choices": [ { "code": "0", "label": "No drift; leg holds 30° for full 5 seconds", "score": 0 }, { "code": "1", "label": "Drift; leg falls by the end of 5-second period but does not hit bed", "score": 1 }, { "code": "2", "label": "Some effort against gravity; leg falls to bed by 5 seconds", "score": 2 }, { "code": "3", "label": "No effort against gravity; leg falls to bed immediately", "score": 3 }, { "code": "4", "label": "No movement", "score": 4 }, { "code": "UN", "label": "Amputation or joint fusion (score as 0 for total; document)", "score": 0 } ] } }, { "code": "7_ataxia", "section": "7. Limb ataxia", "label": "7. Limb ataxia", "help_text": "Finger-nose-finger and heel-shin tests on both sides.", "answer_type": "score_item", "is_required": true, "sort_order": 110, "score_key": "ataxia", "options": { "min": 0, "max": 2, "choices": [ { "code": "0", "label": "Absent", "score": 0 }, { "code": "1", "label": "Present in one limb", "score": 1 }, { "code": "2", "label": "Present in two limbs", "score": 2 }, { "code": "UN", "label": "Amputation or joint fusion (score as 0; document)", "score": 0 } ] } }, { "code": "8_sensory", "section": "8. Sensory", "label": "8. Sensory", "help_text": "Sensation or grimace to pinprick when consciousness decreased.", "answer_type": "score_item", "is_required": true, "sort_order": 120, "score_key": "sensory", "options": { "min": 0, "max": 2, "choices": [ { "code": "0", "label": "Normal; no sensory loss", "score": 0 }, { "code": "1", "label": "Mild-to-moderate sensory loss", "score": 1 }, { "code": "2", "label": "Severe to total sensory loss", "score": 2 } ] } }, { "code": "9_language", "section": "9. Best language", "label": "9. Best language", "help_text": "Describe picture, name items, read sentences.", "answer_type": "score_item", "is_required": true, "sort_order": 130, "score_key": "language", "options": { "min": 0, "max": 3, "choices": [ { "code": "0", "label": "No aphasia; normal", "score": 0 }, { "code": "1", "label": "Mild-to-moderate aphasia", "score": 1 }, { "code": "2", "label": "Severe aphasia", "score": 2 }, { "code": "3", "label": "Mute, global aphasia; no usable speech or auditory comprehension", "score": 3 } ] } }, { "code": "10_dysarthria", "section": "10. Dysarthria", "label": "10. Dysarthria", "help_text": "Read or repeat words from list.", "answer_type": "score_item", "is_required": true, "sort_order": 140, "score_key": "dysarthria", "options": { "min": 0, "max": 2, "choices": [ { "code": "0", "label": "Normal", "score": 0 }, { "code": "1", "label": "Mild-to-moderate dysarthria", "score": 1 }, { "code": "2", "label": "Severe dysarthria; unintelligible or mute/anarthric", "score": 2 }, { "code": "UN", "label": "Intubated or other physical barrier (score as 0; document)", "score": 0 } ] } }, { "code": "11_extinction", "section": "11. Extinction and inattention", "label": "11. Extinction and inattention (formerly neglect)", "answer_type": "score_item", "is_required": true, "sort_order": 150, "score_key": "extinction", "options": { "min": 0, "max": 2, "choices": [ { "code": "0", "label": "No abnormality", "score": 0 }, { "code": "1", "label": "Visual, tactile, auditory, spatial, or personal inattention; or extinction to bilateral simultaneous stimulation in one sensory modality", "score": 1 }, { "code": "2", "label": "Profound hemi-inattention or extinction to more than one modality; does not recognize own hand or orients to only one side of space", "score": 2 } ] } } ] }