Free, offline-friendly clinical tools for paediatric and neonatal practice — organised by category. These pages cover the most-used tools; the app itself carries the full set, including the paediatric score library and immunisation catch-up planner.
LVO · RVO · PAPSp · EF · LA/Ao · IVC
Non-invasive liver fibrosis marker
Neutrophil · eosinophil · lymphocyte counts
Albumin-Corrected AG
Na − (Cl + HCO₃)
Alveolar-arterial oxygen gradient
Schofield equations
Bronchopulmonary Dysplasia — NICHD
7-Step ABG Interpretation
EBV by age band
BMI - plot on BMI-for-age chart
Mosteller formula
Revised Baux Score
Traumatic-tap blood-contamination correction
CaCl₂ / gluconate / MgSO₄
Hypocalcemia / Albumin-Corrected
Gluconate ↔ chloride
VO₂ and A-V O₂ difference
CPP = MAP − ICP · age-based targets
AG + 2.5 × (Normal − Albumin)
Age Correction for Prematurity
Na + 1.6 × ((Glucose − 100)/100)
Bazett heart-rate correction
Hyperglycemia & TG Correction
Fibrinogen replacement
Exchange transfusion
DVET for Severe Jaundice
Endotracheal Tube — Age / NTL+1
EBV by Age & Weight
Age · AST · ALT · platelets fibrosis index
Fractional excretion of sodium in acute kidney injury
Renal vs extra-renal Mg loss
Pre-renal vs intrinsic AKI
Hypernatraemia correction
Hypernatremia Rehydration
Glucose Infusion Rate
EDD, GA & Antenatal Dates
Smart paediatric scorer
Estimated average glucose
pH from HCO₃⁻ and PaCO₂
D10/D25/D50 + GIR + adjuncts
mL/hour and drops/minute
Traub-Johnson IBW + adjusted weight
1-12 Months — Second Task Force 1987
KCl replacement OR ↑K regimen
Burn Surface Area Estimation
Burn Surface Area Estimation
MgSO₄ IV + oral
Hypomagnesemia
Neonatal & Paediatric Fluid Calculator
MAP + pulse pressure
Thalassaemia trait versus iron deficiency in microcytosis
Genetic Target Height & Range
Sodium deficit + 3 % saline bolus
GA & Day-of-Life Nomogram
D10/D25/D50 Bolus
AAP 2022 Bilirubin Tool
Stock & Multi-Line TPN
ESPGHAN 2022
Liver-disease severity for transplant
Partial Exchange Transfusion - Polycythemia
Rumack-Matthew nomogram + NAC dosing
Burns Fluid Resuscitation
Polycythemia — PET Calculator
Mosteller Formula
Neonatal & Pediatric BP Centiles
Z-Scores, Shortening Fraction, EF, RVSP
Neonatal & Pediatric Fluids
IUGR & Nutritional Status
Hypokalemia & Hyperkalemia
Height-based peak flow + % predicted
Corrected QT interval from QT and heart rate
Absolute · corrected · production index
Burn Mortality Prediction
Creatinine Clearance
2Na + Glucose/18 + BUN/2.8
Hyponatremia & Hypernatremia
Equivalent glucocorticoid doses
Stock & multi-line TPN
Age-based TBW estimate
Ganzoni formula
Umbilical Catheter Insertion Length
SI · mg/dL ↔ mmol/L · °C↔°F · kg↔lb
UAG — Distal RTA Workup
mL/kg/h with oliguria thresholds
OI, OSI, MAP, HFOV
Attention-deficit/hyperactivity disorder. Score the inattention list, then repeat for hyperactivity-impulsivity.
Inflammation-weighted appendicitis score, useful for risk stratification.
Acute lymphoblastic leukaemia: NCI risk group plus Toronto CNS-based stage.
Acute myeloid leukaemia is staged by CNS involvement.
Classic clinical score for the likelihood of acute appendicitis.
DSM-5 criteria - restriction of energy intake with fear of weight gain.
Severity of obstructive sleep apnoea in children - events per hour of sleep.
Predicts later school-age asthma in a preschool child with recurrent wheeze.
DSM-5 criteria - eating disturbance without body-image disturbance.
In a child with CSF pleocytosis, identifies very low risk of BACTERIAL (as opposed to aseptic) meningitis.
International Study Group criteria: recurrent oral ulceration is MANDATORY plus ≥2 other features.
DSM-5 criteria - recurrent binge eating without regular compensatory behaviour.
DSM-5 criteria - preoccupation with perceived defects in physical appearance.
Classifies stool form - used to characterise constipation and diarrhoea.
DSM-5 criteria - recurrent binge eating with compensatory behaviours.
Canadian Assessment of Tomography for Childhood Head injury - who needs a CT after minor head injury.
Children's Hospital of Eastern Ontario Pain Scale for post-operative pain. Range 4-13.
Predicts event-free survival in intermediate-risk paediatric Hodgkin lymphoma.
Likelihood of group A streptococcal pharyngitis.
Severity of chronic liver disease and prognosis in cirrhosis
EULAR/PRINTO/PRES - mandatory histology or angiographic abnormality PLUS ≥1 of five features.
DSM-5 criteria - repetitive violation of others’ rights or major age-appropriate norms.
DSM-5 criteria - chronic severe irritability with temper outbursts.
Dutch Lipid Clinic Network score for diagnosing familial hypercholesterolaemia.
Entry criterion: ANA ≥ 1:80. Then weighted criteria - only the HIGHEST-weighted item in each domain counts; ≥10 points classifies SLE.
ACR criteria - ≥4 of 6 features classify EGPA.
Staged by the presence of metastatic disease.
Staged by the presence of metastases at diagnosis.
Observational pain score for children aged 2 months-7 years, or any child unable to self-report.
Streptococcal pharyngitis likelihood - used in NICE sore-throat guidance.
DSM-5 criteria - excessive anxiety and worry, more days than not, ≥6 months.
Predicts need for intervention (transfusion, endoscopy, surgery) in upper GI bleeding.
EULAR/PRINTO/PRES paediatric criteria - ≥3 of 6 features classify GPA.
PRE-Treatment EXTent of tumour - number of contiguous liver sections FREE of tumour determines the group.
Ann Arbor staging (Toronto Tier 1) with Cotswolds modification.
EULAR/PRINTO/PRES paediatric criteria - purpura is MANDATORY plus ≥1 of the four other features.
Revised 2015 Jones criteria - MODERATE/HIGH-risk population thresholds (applicable to India).
PRES/ACR/EULAR paediatric criteria - the mandatory major criterion plus ≥2 of 20 minor criteria.
Classic KD = fever ≥5 days plus ≥4 of the 5 principal features
Poor-prognosis criteria in non-paracetamol acute liver failure - indication for transplant referral.
Predicts poor prognosis in paracetamol-induced acute liver failure - indication for transplant referral.
Differentiates septic arthritis of the hip from transient synovitis in a limping child.
Diagnostic scoring system for Wilson disease.
DSM-5 criteria - symptoms in the same 2-week period, a change from previous function.
DSM-5 criteria - distinct period of abnormally elevated/irritable mood and increased energy.
Metastatic staging of medulloblastoma and other CNS embryonal tumours.
Modified Asthma Predictive Index - adds aeroallergen and food sensitisation.
Diagnosis of infective endocarditis from major and minor criteria.
Histological activity in non-alcoholic fatty liver disease (NASH CRN system).
Identifies low-risk blunt head trauma where CT can be avoided. Any positive predictor = not low risk.
International Neuroblastoma Risk Group Staging System - pre-treatment, imaging-based.
Paediatric NHL staging (Toronto Tier 1).
Staged by resection status and metastatic disease.
DSM-5 criteria - angry/irritable mood, argumentative behaviour, vindictiveness.
Staged by the presence of metastases at diagnosis.
Paediatric ovarian (usually germ-cell) tumour staging.
Three-item bedside severity score for an asthma exacerbation.
Abbreviated disease-activity index for paediatric Crohn’s disease.
Identifies children under 2 at very low risk of clinically-important traumatic brain injury (ciTBI).
Bedside score to detect clinical deterioration on the ward
Preschool Respiratory Assessment Measure - asthma exacerbation severity.
DSM-5 preschool subtype criteria after exposure to actual/threatened death, serious injury or sexual violence.
Disease activity in paediatric ulcerative colitis; guides escalation in acute severe colitis.
International paediatric consensus definitions. SIRS = ≥2 criteria, one of which must be abnormal temperature or leucocyte count.
Predicts traumatic brain injury on CT in children with blunt head trauma.
DSM-5 panic-attack symptom list - abrupt surge of intense fear peaking within minutes.
Likelihood of acute appendicitis in a child with abdominal pain.
Five-domain severity score used to guide asthma pathway treatment.
DSM-5 criteria - depressed mood for most of the day, more days than not, ≥1 year in children.
Post-enucleation staging of retinoblastoma.
Intergroup Rhabdomyosarcoma Study post-surgical grouping.
Identifies febrile infants ≤60 days at LOW risk of serious bacterial infection. All criteria must be met.
Paroxysmal episodes of intense periumbilical abdominal pain.
Excessive air swallowing causing abdominal distension; ≥2 months.
Stereotypical episodes of intense vomiting with well periods in between.
Children/adolescents: symptoms at least 4 times per month for ≥2 months.
Children ≥4 years: ≥2 criteria at least once weekly for ≥1 month, without meeting IBS criteria.
Children/adolescents: ≥1 symptom for ≥2 months, at least 4 days per month.
Children and adolescents; symptoms for ≥2 months.
Children/adolescents: criteria fulfilled ≥2 months before diagnosis.
Children with a developmental age ≥ 4 years; ≥1 month duration.
Repeated regurgitation of recently ingested food, for ≥2 months.
Distinguishes Lyme meningitis from aseptic meningitis in endemic areas. Low risk only if ALL three are absent.
Suspicious Index in Lyme Carditis - pre-test probability in a patient with new high-degree AV block.
Disease activity in the preceding 10 days. Weighted descriptors.
DSM-5 criteria - developmentally inappropriate fear of separation from attachment figures.
Predicts later severe sickle-cell disease from events in the first two years of life.
Weighted classification criteria; a total of ≥ 4 classifies primary Sjögren syndrome.
DSM-5 criteria - persistent difficulty with social use of verbal and nonverbal communication.
DSM-5 criteria - marked fear of social situations with possible scrutiny.
Sequential European approach to the well-appearing febrile young infant. Work down in order - the first positive step decides risk.
Paediatric testicular germ-cell tumour staging.
Severity of croup (laryngotracheobronchitis)
Nephroblastoma staging after upfront nephrectomy (COG convention).
Paediatric-modified RIFLE criteria, staged on estimated creatinine clearance and urine output.
LBW · VLBW · ELBW · Macrosomia
Clinical Assessment of Nutrition at Birth
Smart View · List · Red Flags · DQ Calculator
Week-by-Week from LMP
Term · Preterm · Post-Term · WHO Bands
IAP 2022 and National (NIS) schedules side by side
IAP 2022 & National (NIS)
Works out what is due for an under-immunised child
Gestational Age Assessment
Cooling Eligibility & Assessment
Neonatal Resuscitation Program
23 Measurements with Cine Reference
Management Algorithm — AIIMS Protocol
Apgar · Downes · Sarnat · Thompson
Pediatric Advanced Life Support
Preterm Oral Feeding Readiness Assessment
110 neonatal and paediatric scoring systems
Age-Based Airway & Vascular Access Sizing
TnECHO & Neonatal Hemodynamics
TDSC — Intelligent Screening Assistant
Level-of-Consciousness Scale
Stepwise Management
Na, K, Ca, Mg, PO₄ Quick Reference
Quick-Reference Dosing & Infusions
14 Drugs — Live Weight-Based Prep
STAT Bolus & Infusion Drugs
Sedation & Paralytic Infusions
Diabetic Ketoacidosis
Adult & Pediatric Versions
BP Crisis — Stepwise Antihypertensives
Common Poisons & Antidotes
RSI — Drugs, Doses & Checklist
Prazosin Protocol
ASV Protocol & 20-Min WBCT
Seizure Medications Pathway
Anonymous Peer-Learning from Real Clinical Mistakes
Premium UI — Neonatology + Pediatrics
Common Questions About PediAid
Upcoming Events, Archive, and Credits
500+ Drugs — Neonatal & Paediatric
Normal Values — Pediatric & Neonatal
Nelson · IAP STG · NNF CPG · Action Plan 2026