ECG Waveform Illustration - Medical Heart Rhythm Diagram #3593811 (License: Personal Use)

This black-and-white line drawing depicts a stylized electrocardiogram (ECG) trace, emphasizing the sharp QRS complex flanked by smoother P and T waves. The waveform is rendered in a clean, hand-sketched style against a transparent checkerboard background, making it suitable for overlay on clinical or educational materials. Its minimalistic design supports clarity without anatomical or technical clutter.

Commonly used in medical blogs, patient education resources, healthcare websites, and digital textbooks to visually explain heart rhythm basics. Matches user intent for understanding ECG interpretation, cardiac physiology, or preparing health-related presentations.