# Do U Know Clinician (DUK-C) — Clinical Reference Tool

> Evidence-based clinical reference tool for healthcare professionals with calculators and EKG interpretation. (iPhone/iPad app by Marko Lazovic.)

- Source: https://appshunter.io/ios/app/do-u-know-clinician-duk-c/id6762023127 (this page in markdown: same URL + `.md`)
- Developer: [Marko Lazovic](https://appshunter.io/developer/1883161225)
- Category: Medical, Education
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 17+
- Requires: iOS 15.1 · 43 MB
- Languages: American English
- Released: 2026-08-03
- Data updated: 2026-08-20
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/do-u-know-clinician-duk-c/id6762023127/reviews.md

## What is Do U Know Clinician (DUK?

Less searching. More medicine

Built by an Internal Medicine physician and Johns Hopkins graduates, DUK-C is an evidence-based clinical reference built for medical students, residents, physicians, advanced practice providers, and other healthcare professionals.

Find trusted clinical information in seconds with concise guideline summaries, practical treatment protocols, interactive EKG interpretation, and bedside calculators—all in one app.

FEATURES

• Evidence-based clinical pearls from trusted medical organizations

• Guideline-based treatment protocols with first-line therapy, alternatives, dosing, and safety considerations

• Interactive EKG Interpretation Center with pattern recognition, clinical pearls, and quiz mode

• Clinical calculators including:

Creatinine Clearance (Cockcroft-Gault)
Opioid Dose Conversion
Corticosteroid Conversion
BMI
Fractional Excretion of Sodium (FeNa)
and more

• Powerful search across clinical pearls, treatment protocols, and EKGs

• Daily clinical pearls

• Save favorite content

• Dark Mode support

• Direct links to original guideline sources whenever available

BUILT FOR CLINICIANS

Built by an Internal Medicine physician and Johns Hopkins graduates to improve efficiency at the point of care. Whether you're on rounds, in clinic, studying for boards, or reviewing clinical guidelines, DUK-C helps you find trusted information quickly so you can spend less time searching and more time caring for patients.

IMPORTANT

DUK-C is an educational and clinical reference tool intended to support—not replace—professional medical judgment. Always use clinical discretion and follow local institutional policies.

## Key features

- Evidence-based clinical pearls
- Guideline-based treatment protocols
- Interactive EKG interpretation
- Clinical calculators
- Powerful search functionality
- Daily clinical pearls
- Save favorite content


## Frequently asked questions about Do U Know Clinician (DUK

### What is DUK-C?

DUK-C is an evidence-based clinical reference tool built for medical students, residents, physicians, and other healthcare professionals. It offers concise guideline summaries, treatment protocols, EKG interpretation, and bedside calculators to improve efficiency at the point of care.

### Who developed DUK-C?

DUK-C was built by an Internal Medicine physician and graduates from Johns Hopkins, ensuring a high level of clinical expertise and evidence-based content.

### What types of clinical calculators are included in DUK-C?

DUK-C includes a variety of clinical calculators such as Creatinine Clearance (Cockcroft-Gault), Opioid Dose Conversion, Corticosteroid Conversion, BMI, and Fractional Excretion of Sodium (FeNa), among others.

### Can I save content in DUK-C?

Yes, DUK-C allows you to save your favorite content for quick and easy access later. This feature helps you personalize your experience and keep important information readily available.

### Does DUK-C support dark mode?

Yes, DUK-C supports Dark Mode, which can be beneficial for extended use in various lighting conditions and can help reduce eye strain.

### Is DUK-C available on Android devices?

Currently, DUK-C is supported on iPhone and iPod devices. Information regarding Android compatibility is not provided in the current data.

### How often is DUK-C updated?

The latest version of DUK-C is 1.2.6, and it was last updated on August 10, 2026. This indicates a recent update, suggesting ongoing development and maintenance.

### What is the age rating for DUK-C?

DUK-C has an age rating of 17+, which is typical for medical reference applications due to the complex and mature nature of the content.

## Version history (last 3 releases)

### 1.2.7 — 2026-08-11

Enhanced source attribution

### 1.2.6 — 2026-08-10

In App Purchase set up

### 1.2.5 — 2026-08-03

No release notes.

## Related topics

[duk](https://appshunter.io/ios/topics/duk)

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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 2026-08-20.*