# SubtleSTEMI

> Medical calculator for differentiating early repolarization from myocardial infarction. (iPhone/iPad app by Mark Newcomb.)

- Source: https://appshunter.io/ios/app/subtlestemi/id617146818 (this page in markdown: same URL + `.md`)
- Developer: [Mark Newcomb](https://appshunter.io/developer/617146821)
- Category: Medical, Utilities
- Price: Free
- Rating: 4.22/5 from 9 App Store ratings · 1 written reviews indexed
- Age rating: 17+
- Requires: iOS 10.0 · 15 MB
- Languages: English
- Released: 2013-03-16
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/subtlestemi/id617146818/reviews.md

## What is SubtleSTEMI?

Calculator implementing the formula from the paper, "Electrocardiographic differentiation of early repolarization from subtle anterior st-segment elevation myocardial infarction," by Smith, et al.

## Key features

- ECG formula implementation
- Differentiates early repolarization
- Identifies subtle anterior ST-segment elevation myocardial infarction
- Diagnostic aid for medical professionals

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/subtlestemi/id617146818/reviews.md

### 5/5 — Amazing app

*2022-11-23*

Have been waiting for something like this for a long time!!!

## Frequently asked questions about SubtleSTEMI

### What is SubtleSTEMI used for?

SubtleSTEMI implements a specific formula from a research paper to help medical professionals differentiate early repolarization from subtle anterior ST-segment elevation myocardial infarction on an ECG.

### Is SubtleSTEMI free to use?

Yes, SubtleSTEMI is available for free, with no in-app purchases or advertisements.

### What devices does SubtleSTEMI support?

SubtleSTEMI is designed for iOS devices, including iPhone, iPad, and iPod.

### How accurate is SubtleSTEMI?

SubtleSTEMI has a user rating of 4.2 stars from 9 ratings, indicating a generally positive reception from its users.

### When was SubtleSTEMI last updated?

The latest version of SubtleSTEMI was released on October 16, 2021, with the initial release dating back to March 16, 2013.

### What is the age rating for SubtleSTEMI?

SubtleSTEMI has an age rating of 17+, suggesting it is intended for adult medical professionals due to its specialized content.

### Does SubtleSTEMI require an internet connection?

The provided data does not specify whether SubtleSTEMI requires an internet connection to function. However, as a calculator, it may operate offline.

## Version history (last 5 releases)

### 0.0.7 — 2021-10-16

Updated entry page alerts now users when parameters are outside of expected limits.

### 0.0.6 — 2021-09-10

- select between four-variable and alternative four-variable formulas
- Better support for Night Shift
- Added links to relevant papers in the More Info popup

### 0.0.5 — 2017-12-12

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

- iPhone X support
- select between 3 and 4 variable formulas
- updated interpretation guidelines
- improved layout on small screens

### 0.0.4 — 2017-01-12

This version of SubtleSTEMI is all new and updated for the latest versions of iOS.  Benefits of updating include faster loading times, increased ease-of-use, and better international support.

### 0.0.3 — 2013-08-28

Reworded some exclusion criteria questions for clarity.

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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 2026-06-10.*