---
title: "HeRS - Hemorrhage Risk Stratification Calculator — App Overview"
url: https://marlvel.ai/apps/hers-hemorrhage-risk-stratification-calculator
category: Reference
developer: Johns Hopkins Mobile medicine
platforms: ios
rating: 5.0 (1 ratings)
pricing: free
report_level: overview
generated: 2026-05-08
last_verified: "2026-05-08T19:04:53.523Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app serves as a specialized clinical utility for rapidly calculating stroke-related hemorrhage risk to support complex anticoagulation decisions.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Reference |
| Rating | 5.0 ★ (1) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.0 |
| Developer | Johns Hopkins Mobile medicine |

<!-- SECTION: Summary -->
## What is HeRS - Hemorrhage Risk Stratification Calculator?

HeRS is a medical reference tool developed by Johns Hopkins Mobile Medicine designed to calculate the probability of hemorrhagic transformation in acute ischemic stroke patients. It automates a complex, prospectively validated equation that incorporates age, renal function, and stroke size to assist clinicians in anticoagulation decision-making. The app aims to provide rapid, accurate risk stratification that is difficult to perform manually.

<!-- SECTION: Key Features -->
## Key Features

- **Hemorrhage Risk Stratification**: Calculates the probability of hemorrhagic transformation for patients with acute ischemic stroke.
- **Validated Scoring Equation**: Utilizes a prospectively validated formula based on continuous variables including age, renal function, and stroke size.
- **Rapid Clinical Calculation**: Provides a mobile-based interface to perform complex mathematical risk assessments quickly in acute clinical settings.

<!-- SECTION: Target Audience -->
## Who is it for?

Healthcare professionals and clinicians managing acute ischemic stroke patients.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/hers-hemorrhage-risk-stratification-calculator/id950742929?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/hers-hemorrhage-risk-stratification-calculator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/hers-hemorrhage-risk-stratification-calculator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*