心電図マスターアプリ

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About this app

Thank you for your interest in the "ECG Master App."

This app is an ECG learning app designed to help you "read" monitor electrocardiograms (ECGs). Targeting residents, nurses, paramedics, emergency medical technicians, and medical students, it allows for systematic and repetitive learning of ECG interpretation using 578 types of animated ECG waveforms and interpretation flowcharts. The full version provides ongoing learning support after purchase through a user-only website, serial publications in professional journals, and user training sessions.

I believe that few medical professionals are truly confident in their ability to interpret monitor ECGs. Even as a paramedic myself, I don't know many people around me who can confidently say they can read them.

I suspect a similar trend is observed among nurses and residents.

However, on the other hand, many in the general public assume that "medical professionals can read ECGs."

I believe many medical professionals feel distressed by the gap between the perception that they can read ECGs and the reality that they actually cannot.

In fact, I think there are quite a few people who have bought many books and tried to learn ECGs, but have given up because they couldn't master it.

The "ECG Master App" was developed for people with this background, or for those who are just starting to learn ECGs, so that they can master the interpretation of monitor ECGs through self-study.

The content is composed of two parts: "How to Read an ECG (Explanation)" and "Interpretation Training."

The following are some of the topics in "How to Read an ECG" that we think you will find particularly interesting:

1-6 Why can't I read it?

2-1 Items to interpret and order
2-2 What is basic rhythm?

2-3 What is premature contraction?

2-8 Flowchart

• ECG (Indication for Electrical Shock) Interpretation Flowchart

• ECG (Basic Rhythm) Interpretation Flowchart

• ECG (Premature Contraction) Interpretation Flowchart

The features of the "Training" are as follows:

This program contains 578 dynamic electrocardiogram waveforms, which you will actually interpret.
Level 1 focuses on determining the appropriateness of electrical shock.
Level 2 trains you to interpret basic rhythms (16 rhythms) in the following 5 steps:
Step 1: Life-threatening and severe arrhythmias (7 rhythms)
Step 2: Moderate arrhythmias (5 rhythms)
Step 3: Mild arrhythmias (4 rhythms)
Step 4: Step 1 + Step 2 (12 rhythms)
Step 5: All waveforms (16 rhythms)
Level 3 focuses on interpreting basic rhythms and premature contractions.

Once you have gained proficiency, challenge yourself with "Continuous Trials (10 questions), (30 questions), (50 questions)."

The program also features comprehensive learning record management (accuracy rate).

When you get stuck in your studies, the "Intensive Training Mode" will be helpful. This app allows you to continuously view the waveforms of specific arrhythmias (e.g., third-degree atrioventricular block), enabling focused training.

The pinnacle of the "ECG Master App" is achieving 50 consecutive correct answers in the trial.

I believe that achieving this signifies reaching the level of "confident reading."

And I'm sure you, the learner, will also feel that sense of accomplishment.

By gaining the confidence to interpret monitor electrocardiograms, you will deepen your understanding of the risks of arrhythmias and the necessity of emergency treatment, thereby improving the level of your clinical practice and work.

I wholeheartedly support your learning and challenges.

The "ECG Master App" also offers a free trial version for you to try out.

However, please note that the trial version has limitations in the number of waveforms included and some functions.

Thank you for reading to the end.

I hope you will reach the "summit," level up as a medical professional, and achieve even greater success.

Since its release on May 27, 2025, the application has undergone two major version upgrades, further enhancing its effectiveness as a learning tool.
Download the latest version and master the interpretation of monitor electrocardiograms (ECGs).
If you have already downloaded the application, it will automatically update at no additional cost when you use it.

[Version Upgrade Information]
Added "ECG (Electrical Shock Indication) Interpretation Flowchart" (Vre. 1.1.0)
Introduced a 5-Step Training Method to Level 2 (Vre. 1.2.0)

Furthermore, by tapping the "Product Version User Exclusive Site" or "Trial Version App Special Site" in the upper left corner of the initial screen, you can access:
"How to Use the ECG Master App"
"Jihei Okawara Explains ECG Interpretation! Mastering Monitor ECGs (Serial Article in the Monthly Magazine 'Modern Firefighting')"

August 28, 2026
Jihei Okawara
The "Electrocardiogram Master App" is a learning tool developed to help medical professionals, such as medical interns, nurses, paramedics, and emergency personnel, learn how to read monitor electrocardiograms on their own.
Updated on
Sep 16, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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What’s new

お知らせ機能を追加しました。
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App support

Phone number
+81359628832
About the developer
KINDAI SHOBOSHA, CO., LTD.
twit@ff-inc.co.jp
2-9-16, TORANOMON NIHON SHOBO KAIKAN 6F. MINATO-KU, 東京都 105-0001 Japan
+81 3-5962-8832