The League members are forced to split up to survive the sheer number of opponents.

As the League enters Deika City, they realize they have walked into a trap where nearly all 110,000 residents are MLA members.

Toga uses this new power to float Curious and her lackeys high into the air before dropping them to their deaths. The Battle in Deika City

Episode 21 of the 5th season of My Hero Academia , titled "," serves as a pivotal origin story for Himiko Toga while intensifying the conflict between the League of Villains and the Meta Liberation Army (MLA). The Origin and "Awakening" of Himiko Toga

Flashbacks reveal Toga was a cheerful child whose parents and society forced her to repress her natural attraction to blood. After a middle school incident where she attacked a classmate to drink his blood, her parents labeled her a "demon child," forcing her to live on the run.

ECG Mastery

Three simple steps to transform your cardiac rhythm interpretation skills

1

Learn the Fundamentals

Start with our comprehensive learning modules covering ECG basics, wave interpretation, and rhythm analysis. Build your foundation with clear explanations and visual examples.

Start Learning
2

Practice with Quizzes

Test your knowledge with interactive quizzes covering both theoretical concepts and rhythm identification. Get immediate feedback and track your progress.

Take Quiz
3

Master with Simulator

Use our advanced ECG simulator to practice with real-world scenarios. Adjust parameters, explore different rhythms, and build confidence in interpretation.

Try Simulator

Learn by Building Custom Rhythms

Master ECG interpretation through hands-on waveform manipulation

Customize Every Waveform

Adjust amplitude, duration, and shape of P waves, QRS complexes, and T waves to see how each change affects the overall rhythm.

Real-Time Visualization

Watch your custom rhythms come to life with our advanced ECG simulator. See immediate changes as you modify parameters.

Deep Understanding

Build intuition by experimenting with different wave characteristics and observing their clinical implications.

Powerful Teaching Tools for Instructors

Transform your ECG instruction with advanced presentation and control features

Presentation Mode

Control ECG simulations from a separate device during lectures. Start, stop, and modify rhythms in real-time while students follow along on their devices.

Waveform Highlighting

Color-code and highlight specific parts of ECG waveforms to draw attention to key features like P waves, QRS complexes, or T waves during explanations.

Saved Scenarios

Create and save custom teaching scenarios with specific learning objectives. Build a library of examples for different topics and difficulty levels.

Why Choose Our ECG Simulator?

Designed by medical professionals for effective learning

Boku No Hero Academia 5th Season Episode 21 May 2026

The League members are forced to split up to survive the sheer number of opponents.

As the League enters Deika City, they realize they have walked into a trap where nearly all 110,000 residents are MLA members. Boku no Hero Academia 5th Season Episode 21

Toga uses this new power to float Curious and her lackeys high into the air before dropping them to their deaths. The Battle in Deika City The League members are forced to split up

Episode 21 of the 5th season of My Hero Academia , titled "," serves as a pivotal origin story for Himiko Toga while intensifying the conflict between the League of Villains and the Meta Liberation Army (MLA). The Origin and "Awakening" of Himiko Toga The Battle in Deika City Episode 21 of

Flashbacks reveal Toga was a cheerful child whose parents and society forced her to repress her natural attraction to blood. After a middle school incident where she attacked a classmate to drink his blood, her parents labeled her a "demon child," forcing her to live on the run.

Comprehensive Rhythm Library

Model and explore common, rare, and complex arrhythmias.

Advanced Control Features

Start, pause, and modify rhythms with precision—complete simulation control at your fingertips.

Personalized Experience

Save rhythms and simulator settings to your account for easy access.

Integrated Knowledge Assessment

Quizzes and knowledge checks to reinforce learning.

Presentation Mode

Control ECG display from a separate device—perfect for teaching and demonstrations.

What Makes Us Different?

An unmatched learning experience for everyone

Enhanced Learning

Interactive simulation and customization deepen ECG understanding for faster mastery

Realistic Scenarios

Practice with authentic cardiac rhythms and patterns seen in clinical settings

Accessible Anywhere

100% web-based platform works on desktop, tablet, or mobile devices

Free Forever

No cost, no catch. Our platform is completely free to use for everyone

Start Your ECG Learning Path

No downloads • No signup required • No credit card needed

Join thousands of learners who've already improved their ECG interpretation skills. Start learning in seconds, see results immediately.

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Start Learning ECG Basics Try Interactive Simulator