# iCTlearn — CT Education,Clinical Ref

> CT Education,Clinical Ref (iPhone/iPad app by Irradiated Solution Application Pty Ltd.)

- Source: https://appshunter.io/ios/app/ictlearn/id6767208734 (this page in markdown: same URL + `.md`)
- Developer: [Irradiated Solution Application Pty Ltd](https://appshunter.io/developer/1887271258)
- Category: Medical, Education
- Price: $4.99
- Age rating: 4+
- Requires: iOS 17.6 · 1 MB
- Languages: American English
- Released: 2026-05-07
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/ictlearn/id6767208734/reviews.md

## What is iCTlearn?

iCT Learn is a comprehensive CT imaging education and clinical reference app designed for radiographers, radiologists, and medical imaging students.

Built by a practising radiographer, iCT Learn bridges the gap between textbook knowledge and real-world CT practice - covering everything from fundamental physics to hands-on protocol optimisation.

- LEARN -
· CT Physics: X-ray attenuation, Hounsfield Units, beam geometry
· Reconstruction: FBP, Iterative (IR), and Deep Learning (DLR) algorithms
· Helical CT and Multi-Detector CT (MDCT) principles
· Detailed accordion-style topic cards with formulae and clinical notes

- REFERENCE -
· 25 clinical CT protocols (Head, Chest, Abdomen, Cardiac, Vascular, Spine, Paediatric and more)
· 34 tissue HU values across 7 categories
· 20 windowing presets (Brain, Lung, Abdomen, Bone, Vascular)
· Contrast media protocols, adverse reaction management, and contraindications
· ARPANSA 2020 Diagnostic Reference Levels (CTDIvol and DLP)
· Reconstruction kernel comparison: GE, Siemens, Canon, and Philips

- INTERACTIVE TOOLS -
· Dose Simulator: adjust kVp, mAs, Pitch, and patient size - see CTDI, noise, and SNR update in real time
· HU Windowing Simulator: drag WW/WL sliders and watch tissue visibility change live
· Artifact Pattern Guide: 7 major artifacts visualised with SwiftUI Canvas diagrams - Beam Hardening, Metal, Motion, Ring, Partial Volume, Aliasing, and Noise
· Parameter Interaction Matrix: understand how kVp, mAs, Pitch, Kernel, and FOV affect dose, noise, contrast, and speed

- QUIZ -
· 12 self-assessment questions covering principles, parameters, and artifacts
· Instant feedback with detailed explanations
· Score tracking with wrong-answer review

- DESIGNED FOR PROFESSIONALS -
· Dark navy interface optimised for clinical environments
· All content sourced from ARPANSA, ACR, ESUR, RANZCR, and peer-reviewed literature
· Educational use only - does not provide medical advice

iCT Learn is part of the Irradiated Solution clinical education series, developed in Melbourne, Australia.


## Version history (last 2 releases)

### 1.1 — 2026-08-30

CT Generations - 1st Gen to PCCT

Learn how CT scanner technology evolved across five generations, from the original 1971 EMI pencil-beam scanner to the latest photon-counting CT. Each generation includes scan geometry diagrams, clinical significance, and current use status.

MDCT Evolution timeline - single-slice helical (1990) through to the Siemens NAEOTOM Alpha (2021), with detector row coverage and key clinical milestones.

Clinical Reference section - 25 CT protocols, 34 tissue HU values, 20 window presets, contrast media guide, ARPANSA 2020 DRL table, and reconstruction kernel comparison across GE, Siemens, Canon, and Philips.

Interactive Tools - real-time dose simulator (kVp / mAs / Pitch / patient size), HU windowing simulator with tissue visibility, and 7 artifact pattern diagrams drawn with SwiftUI Canvas.

Sources & Legal - full citation list for all reference data, legal disclaimer, and About page with links to other Irradiated Solution apps.

### 1.0 — 2026-05-07

No release notes.

## More apps by Irradiated Solution Application Pty Ltd

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All apps by Irradiated Solution Application Pty Ltd: https://appshunter.io/developer/1887271258

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*