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Smits 2007 CHIP rule (adults ≥16, GCS 13-15). CT if ≥1 major…
Smits 2007 CHIP rule (adults ≥16, GCS 13-15). CT if ≥1 major (pedestrian/cyclist vs vehicle, ejected, vomiting, PTA ≥4 h, skull-fracture signs, GCS <15, GCS drop ≥2 at 1 h, anticoagulants, posttraumatic seizure, age ≥60) or ≥2 minor (fall from elevation, persistent anterograde amnesia, PTA 2 to <4 h, skull contusion, neurologic deficit, LOC, GCS drop of 1 at 1 h, age 40-60). Not a diagnosis; not Canadian CT Head, NEXUS, PECARN, or 2022 CHIP. magent does not examine the patient.
Sample input
input3 keys
method"GET"
queryParams17 keys
age30
anticoagulant_therapyfalse
clinical_signs_skull_fracturefalse
ejected_from_vehiclefalse
fall_from_any_elevationfalse
gcs15
gcs_deterioration_1false
gcs_deterioration_ge_2false
loss_of_consciousnessfalse
neurologic_deficitfalse
pedestrian_or_cyclist_vs_vehiclefalse
persistent_anterograde_amnesiafalse
posttraumatic_seizurefalse
pta_2_to_lt_4hfalse
pta_ge_4hfalse
skull_contusionfalse
vomitingfalse
type"http"
inputobject, 3 keysSample response
response10 keys
age_years30
citation6 keys
authors"Smits M, Dippel DW, Steyerberg EW, et al."
doi"10.7326/0003-4819-146-6-200703200-00004"
id"smits-2007"
pmid"17371884"
source"Ann Intern Med. 2007;146(6):397-405"
title"Predicting intracranial traumatic findings on computed tomography in patients with minor head injury: the CHIP prediction rule"
criteria18 items
0{ factor, met }2 keys
1{ factor, met }2 keys
2{ factor, met }2 keys
3{ factor, met }2 keys
4{ factor, met }2 keys
5{ factor, met, value }3 keys
6{ factor, met }2 keys
7{ factor, met }2 keys
8{ factor, met }2 keys
9{ factor, met, value }3 keys
10{ factor, met }2 keys
11{ factor, met }2 keys
12{ factor, met }2 keys
13{ factor, met }2 keys
14{ factor, met }2 keys
15{ factor, met }2 keys
16{ factor, met }2 keys
17{ factor, met, value }3 keys
ct_indicatedfalse
disclaimer"Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions."
formula"chip"
formula_expression"ct indicated if ≥1 major (pedestrian_or_cyclist_vs_vehicle, ejected_from_vehicle, vomiting, pta_ge_4h, clinical_signs_skull_fracture, gcs < 15, gcs_deterioration_ge_2, anticoagulant_therapy, posttraumatic_seizure, age ≥ 60) or ≥2 minor (fall_from_any_elevation, persistent_anterograde_amnesia, pta_2_to_lt_4h, skull_contusion, neurologic_deficit, loss_of_consciousness, gcs_deterioration_1, age 40-60)"
gcs15
major_count0
minor_count0
responseobject, 10 keysTrack record
- Paid calls, last 30 days
- 6
- Buyers, last 30 days
- 3
- Last paid call
Reported by the x402 directory.