Pediatric Imaging Overview

Age Categories

Neonate | Infant | Toddler | Child | Adolescent

Key Differences From Adults

Smaller Size And Organ Proportions | Higher Radiosensitivity | Faster Metabolic Rates | Different Disease Prevalence

Common Pediatric Targets

Head And Neck | Chest And Lungs | Abdomen And Pelvis | Skeletal System | Neonatal Brain And Hips


Core Principles

ALARA For Children

Minimize Dose Without Compromising Diagnosis

Adjust Exposure Based On Size And Clinical Question | Use Shielding When It Does Not Obscure Anatomy | Prefer Non Ionizing Modalities When Appropriate


Justification And Optimization

Appropriate Use Criteria

Ensure Each Exam Is Clinically Justified | Tailor Protocols To Provide Diagnostic Information With Lowest Reasonable Dose


Communication And Comfort

Child Friendly Approach

Explain Procedure In Age Appropriate Language | Use Distraction Techniques And Parental Presence To Reduce Motion And Anxiety


Modality Specific Protocols

Pediatric Radiography

Technique And Positioning

Use High Speed Detectors And Grids Only When Necessary | Collimate Tightly | Use Appropriate kVp And mAs For Size | Immobilize With Sandbags Or Papoose When Needed


Pediatric CT

Size Based Protocols

Use Weight Or Diameter Based kVp And mA Settings | Limit Scan Range | Use Iterative Reconstruction And Automated Exposure Control | Consider Noncontrast When Possible


Pediatric MRI

Fast Sequences And Motion Reduction

Use Fast T2 And Single Shot Sequences For Uncooperative Patients | Employ Sedation Or Feed And Wrap Techniques For Infants | Use Pediatric Coils And Small FOV


Pediatric Ultrasound

First Line For Many Indications

Preferred For Appendicitis Neonatal Brain Hips And Abdominal Pain | Use High Frequency Probes For Superficial Structures | Dynamic Scanning And Comparison With Contralateral Side


Pediatric Fluoroscopy

Low Dose Techniques

Use Pulsed Fluoroscopy Low Frame Rates And Collimation | Prefer Spot Images Over Continuous Fluoro | Use Water Soluble Contrast For GI Perforation Suspicions


Pediatric Nuclear Medicine

Weight Based Radiopharmaceutical Dosing

Follow Pediatric Administered Activity Guidelines | Use SPECT Or PET When Indicated | Minimize Time And Use Shielding For Caregivers When Required


Dose Reduction Strategies

Protocol Tailoring

Weight And Age Adjustments

Use Pediatric Protocol Libraries | Reduce kVp For Small Patients | Apply Automatic Exposure Control With Pediatric Curves


Scan Range And Phases

Limit To Area Of Interest

Avoid Unnecessary Multiphasic Scans | Use Targeted Imaging And Consider Delayed Or Single Phase When Adequate


Shielding And Collimation

Selective Use

Use Gonadal Shielding When It Does Not Obscure Diagnostic Area | Collimate To Reduce Scatter And Dose


Alternative Modalities

Prefer US Or MRI When Appropriate

Consider Ultrasound For Appendicitis And Hydronephrosis | Use MRI For Soft Tissue And Neuroimaging When Feasible


Sedation And Analgesia

Non Pharmacologic Techniques

Feed And Wrap Distraction And Parental Presence

Use Feed And Swaddle For Neonates | Employ Distraction Tools Toys And Music For Older Children | Allow Parent To Stay When Safe


Pharmacologic Sedation

Indications And Monitoring

Follow Institutional Sedation Protocols For Agents And Monitoring | Ensure Resuscitation Equipment And Trained Personnel Present | Document Consent And Fasting Status


Analgesia And Comfort

Topical And Local Measures

Use Topical Anesthetics For IV Access | Provide Age Appropriate Comfort Measures And Post Procedure Pain Guidance


Preparation And Positioning Tips

Communication With Caregivers

Clear Instructions And Expectations

Provide Written And Verbal Prep Instructions | Explain Procedure Steps And Expected Cooperation Level | Discuss Fasting And Medication Guidance


Immobilization Devices

Safe And Effective Restraint

Use Papoose Boards Sandbags And Tape As Per Policy | Ensure Comfort And Skin Protection | Reassess Frequently During Long Exams


IV Access And Contrast

Small Gauge And Secure Lines

Use Appropriate Catheter Size For Power Injection When Needed | Secure Lines To Prevent Dislodgement | Monitor For Extravasation And Document Contrast Dose


Emergency Preparedness

Resuscitation Readiness

Pediatric Equipment And Dosing Charts

Keep Pediatric Sized Airway Equipment And Emergency Drugs Readily Available | Use Broselow Or Weight Based Dosing Tools For Rapid Medication Calculation


Allergic Reactions And Contrast Events

Rapid Recognition And Treatment

Train Staff In Pediatric Anaphylaxis Management | Have Age Appropriate Epinephrine Doses And Monitoring Equipment Available


Reporting And Documentation

Include Size And Technique

Important For Follow Up And Dose Tracking

Document Patient Weight Or Age Protocol Used Exposure Parameters And Any Sedation Or Complications | Include Comparison With Prior Pediatric Studies When Available


Parental Communication

Clear Results And Follow Up Instructions

Provide Plain Language Summaries For Parents | Explain Next Steps And When To Seek Urgent Care | Offer Contact Information For Questions


Terminology

Feed And Wrap

Technique For Calming Neonates During Imaging By Feeding Swaddling And Gentle Restraint

Papoose

Commercial Immobilization Device Used For Safe Restraint During Pediatric Imaging

Broselow Tape

Color Coded Tape For Rapid Pediatric Drug And Equipment Sizing Based On Length

Weight Based Protocol

Imaging And Medication Parameters Adjusted According To Patient Weight

Iterative Reconstruction

CT Reconstruction Technique That Allows Lower Dose While Maintaining Image Quality