Engaging animations accelerate understanding Previous Next unique! impressive! on-the-go! unique! Ideal for use in lectures as well as self-study. impressive! Unique illustration of the complex interrelationships between ECG changes and cardiac function. on-the-go! Training tool with progress tests. Ideal for exam preparation. Use at a desk or on-the-go. Previous Next unique! impressive! on-the-go! unique! Ideal for use in lectures as well as self-study. impressive! Unique illustration of the complex interrelationships between ECG changes and cardiac function. on-the-go! Training tool with progress tests. Ideal for exam preparation. Use at a desk or on-the-go.