{"uid":"cap_KqITRXjTMIGfzzsnorZuP","slug":"ichord-2011-pediatric-nih-stroke-scale-pednihss-calculator-4e742fb5","name":"Ichord 2011 Pediatric NIH Stroke Scale (PedNIHSS) Calculator","description":"Ichord 2011 Pediatric NIH Stroke Scale (PedNIHSS): 15 caller-assigned NINDS NIHSS integers with left and right motor arm and leg (each 0-4). Visual 0-3. Extinction, not Brott neglect. No pupillary response or plantar reflex. Sum 0-42. magent does not examine the child. No total-score severity bands in Ichord 2011; later 5/15/20 website cutoffs are not applied. Not Brott 1989 15-item NIHSS (max 37), not mNIHSS, not a tPA order, not a diagnosis, and not a medical device.","url":"https://api.magentlab.com/api/calc/pediatric_nihss","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["loc","loc_questions","loc_commands","best_gaze","best_visual","facial_palsy","motor_left_arm","motor_right_arm","motor_left_leg","motor_right_leg","limb_ataxia","sensory","best_language","dysarthria","extinction"],"properties":{"loc":{"enum":[0,1,2,3],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS level of consciousness (integer 0-3): 0 alert, 1 not alert but arousable, 2 not alert requires repeated stimulation, 3 unresponsive. magent does not examine the child."},"sensory":{"enum":[0,1,2],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS sensory (integer 0-2): 0 normal, 1 mild to moderate loss, 2 severe to total loss. magent does not examine the child."},"best_gaze":{"enum":[0,1,2],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS best gaze (integer 0-2): 0 normal, 1 partial gaze palsy, 2 forced deviation. magent does not examine the child."},"dysarthria":{"enum":[0,1,2],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS dysarthria (integer 0-2): 0 normal articulation, 1 mild to moderate, 2 severe or unintelligible. magent does not examine the child."},"extinction":{"enum":[0,1,2],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS extinction and inattention (integer 0-2): 0 no abnormality, 1 inattention to one modality, 2 profound hemi-inattention or extinction to more than one modality. Not Brott neglect. magent does not examine the child."},"best_visual":{"enum":[0,1,2,3],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS best visual, NINDS range (integer 0-3): 0 no visual loss, 1 partial hemianopia, 2 complete hemianopia, 3 bilateral hemianopia. Not Brott 0-2. magent does not examine the child."},"limb_ataxia":{"enum":[0,1,2],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS limb ataxia (integer 0-2): 0 absent, 1 present in one limb, 2 present in two limbs. magent does not examine the child."},"facial_palsy":{"enum":[0,1,2,3],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS facial palsy (integer 0-3): 0 normal, 1 minor, 2 partial, 3 complete. magent does not examine the child."},"loc_commands":{"enum":[0,1,2],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS LOC commands (integer 0-2): 0 obeys both correctly, 1 obeys one correctly, 2 incorrect. magent does not examine the child."},"best_language":{"enum":[0,1,2,3],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS best language (integer 0-3): 0 no aphasia, 1 mild to moderate, 2 severe aphasia, 3 mute or global aphasia. magent does not examine the child."},"loc_questions":{"enum":[0,1,2],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS LOC questions (integer 0-2): 0 answers both correctly, 1 answers one correctly, 2 incorrect. magent does not examine the child."},"motor_left_arm":{"enum":[0,1,2,3,4],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS left arm motor, NINDS style (integer 0-4): 0 no drift, 1 drift, 2 some effort against gravity, 3 no effort against gravity, 4 no movement. Not Brott weaker-limb. magent does not examine the child."},"motor_left_leg":{"enum":[0,1,2,3,4],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS left leg motor, NINDS style (integer 0-4): 0 no drift, 1 drift, 2 some effort against gravity, 3 no effort against gravity, 4 no movement. Not Brott weaker-limb. magent does not examine the child."},"motor_right_arm":{"enum":[0,1,2,3,4],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS right arm motor, NINDS style (integer 0-4): 0 no drift, 1 drift, 2 some effort against gravity, 3 no effort against gravity, 4 no movement. Not Brott weaker-limb. magent does not examine the child."},"motor_right_leg":{"enum":[0,1,2,3,4],"type":"integer","description":"Caller-assigned Ichord 2011 PedNIHSS right leg motor, NINDS style (integer 0-4): 0 no drift, 1 drift, 2 some effort against gravity, 3 no effort against gravity, 4 no movement. Not Brott weaker-limb. magent does not examine the child."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PCuQy4LwigbtEYG3Y_Npb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the Ichord 2011 Pediatric NIH Stroke Scale (PedNIHSS) total score (0–42) from 15 caller-assigned NINDS integer subscores for children.","exampleAgentPrompt":"Calculate the Ichord 2011 PedNIHSS total score for a child with these subscores: LOC 1, LOC questions 1, LOC commands 0, best gaze 1, best visual 2, facial palsy 1, motor left arm 2, motor right arm 1, motor left leg 2, motor right leg 1, limb ataxia 1, sensory 1, best language 2, dysarthria 1, extinction 1.","exampleUseCases":[{"title":"Acute pediatric stroke scoring","prompt":"I need to calculate the PedNIHSS total score for a 7-year-old with these Ichord 2011 subscores: LOC 0, LOC questions 1, LOC commands 1, best gaze 1, best visual 1, facial palsy 2, motor left arm 3, motor right arm 0, motor left leg 2, motor right leg 0, limb ataxia 1, sensory 1, best language 1, dysarthria 1, extinction 0."},{"title":"Research data aggregation for pediatric stroke registry","prompt":"For a registry entry, compute the Ichord 2011 PedNIHSS sum for a patient with LOC 2, LOC questions 2, LOC commands 2, best gaze 2, best visual 3, facial palsy 3, motor left arm 4, motor right arm 4, motor left leg 4, motor right leg 4, limb ataxia 2, sensory 2, best language 3, dysarthria 2, extinction 2."},{"title":"Serial neurological status comparison","prompt":"Can you score this child's repeat PedNIHSS exam using Ichord 2011: LOC 0, LOC questions 0, LOC commands 0, best gaze 0, best visual 0, facial palsy 1, motor left arm 1, motor right arm 0, motor left leg 1, motor right leg 0, limb ataxia 0, sensory 0, best language 0, dysarthria 1, extinction 0 — I want to compare it to the admission score."}],"resultDescription":"Returns the summed PedNIHSS integer total (range 0–42) computed from the 15 caller-supplied Ichord 2011 subscores. Does not apply severity band labels, does not perform a clinical examination, and is not a diagnosis, tPA order, or medical device output.","failureModes":["Missing required subscore parameter returns a validation error","Subscore integer outside allowed enum range (e.g. motor arm value of 5) rejected with error","Non-integer value for any subscore causes schema validation failure","Network timeout or server error returns HTTP 5xx with no score","Misidentifying the scale as adult NIHSS (max 42 vs Brott 1989 max 37) — caller must supply correct Ichord 2011 values"],"whenToPreferThis":"Choose this endpoint when you need to compute a total Ichord 2011 PedNIHSS score for a pediatric patient from pre-collected integer subscores. Prefer it over adult NIHSS calculators because it uses the correct Ichord 2011 item set (extinction not Brott neglect, visual range 0–3, no pupillary response or plantar reflex items, max 42). Do not use for adults, for mNIHSS, or when a clinical examination needs to be performed — this is a pure arithmetic aggregation tool for caller-supplied values.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:21:16.727Z","isFirstParty":false}