# Marfan DX

> Marfan syndrome diagnostic tool for healthcare professionals based on Revised Ghent Nosology. (iPhone/iPad app by JAMB Innovations, LLC.)

- Source: https://appshunter.io/ios/app/marfan-dx/id1047438084 (this page in markdown: same URL + `.md`)
- Developer: [JAMB Innovations, LLC](https://appshunter.io/developer/327056518)
- Category: Medical, Health & Fitness
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 6.0 · 3 MB
- Languages: English
- Released: 2015-10-19
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/marfan-dx/id1047438084/reviews.md

## What is Marfan DX?

Marfan DX features the 2010 Revised Ghent Nosology for Marfan Syndrome as a simple diagnostic tool to put the updated criteria right into the hands of doctors. It is designed for all healthcare professionals involved in the diagnosis of Marfan syndrome, including general practitioners and specialists, such as pediatricians, cardiologists, orthopedists, ophthalmologists, and geneticists.

The app features:

- Seven simple to follow formulae to determine if the cardinal features and lesser features, combined with family history and genetic testing, "add up" to a diagnosis of Marfan syndrome. Expandable text makes the formulae easy to follow.

- Interactive Systemic Score Calculator used to consider the lesser characteristics of Marfan syndrome throughout the body that can be key in making the diagnosis. This too has expandable text and graphics, as well as a function for emailing results for the patient file.

- Interactive Z-score calculator used to determine the size of the aorta compared to body surface area. This can also be emailed for the patient file.

- Key points about the role of genetic testing and family history.

- Important information on differential diagnosis and related disorders.

- Helpful links and resources.

Marfan DX is not meant to replace careful and comprehensive consultation among physicians and their patients, but to facilitate accurate consideration of the important elements of a correct diagnosis.

Have questions, comments, or feedback? Contact support@Marfan.org.

## Key features

- 2010 Revised Ghent Nosology
- Diagnostic formulae
- Interactive Systemic Score Calculator
- Interactive Z-score calculator
- Genetic testing and family history guidance
- Differential diagnosis information
- Helpful links and resources


## Frequently asked questions about Marfan DX

### What is Marfan DX used for?

Marfan DX is a diagnostic tool designed for healthcare professionals to assist in diagnosing Marfan syndrome. It implements the 2010 Revised Ghent Nosology criteria, providing calculators and information to aid in accurate diagnosis.

### Who developed Marfan DX?

Marfan DX was developed by JAMB Innovations, LLC. The app was released on October 19, 2015, and its latest version is 1.0.

### What are the key features of Marfan DX?

Key features include seven diagnostic formulae based on the Revised Ghent Nosology, an interactive Systemic Score Calculator, an interactive Z-score calculator for aorta size, and information on genetic testing, family history, and differential diagnoses.

### What devices is Marfan DX compatible with?

Marfan DX is available for iPhone, iPad, and iPod. It is designed for users aged 17 and older.

### How does Marfan DX help with diagnosis?

The app provides structured formulae and interactive calculators to systematically evaluate cardinal and lesser features, family history, and genetic testing results. This facilitates a more accurate consideration of the elements required for a Marfan syndrome diagnosis.

### Can Marfan DX replace a doctor's consultation?

No, Marfan DX is intended to facilitate accurate consideration of diagnostic elements and is not meant to replace careful and comprehensive consultation between physicians and their patients.

### What information is available on related disorders?

Marfan DX includes important information on differential diagnosis and related disorders. This helps healthcare professionals distinguish Marfan syndrome from other conditions with similar symptoms.

### Where can I find support or provide feedback for Marfan DX?

For questions, comments, or feedback regarding Marfan DX, you can contact support at support@Marfan.org. The app is free to download and use.

## Version history (last 1 release)

### 1.0 — 2015-10-19

This app has been updated by Apple to display the Apple Watch app icon.

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## More apps by JAMB Innovations, LLC

- [CNYEMS Policy Statements](https://appshunter.io/ios/app/cnyems-policy-statements/id670590532)
- [NYS EMS Collaborative Protocols](https://appshunter.io/ios/app/nys-ems-collaborative-protocols/id734412212)

All apps by JAMB Innovations, LLC: https://appshunter.io/developer/327056518

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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 2026-07-07.*