ECG Waveform Illustration - Medical Heart Rhythm Diagram #3863126 (License: Personal Use)

This illustration shows a simplified yet anatomically accurate electrocardiogram (ECG) trace with distinct P, QRS, and T waves representing key phases of the cardiac cycle. The line art is hand-drawn in dark maroon on a transparent background, making it versatile for overlays or digital interfaces. Its minimalistic design supports clarity in educational, clinical, or infographic contexts.

Commonly used in medical textbooks, telehealth platforms, patient education materials, and healthcare websites to explain heart function or diagnose arrhythmias. Matches user intent for visual learning, clinical reference, or content creation around cardiology.