Normal ECG Heartbeat Waveform - Medical Illustration #3364680 (License: Personal Use)

This vector-style ECG waveform features a bold red line on a transparent checkered background, illustrating one complete cardiac cycle. The trace includes the characteristic P wave (atrial depolarization), sharp QRS complex (ventricular depolarization), and rounded T wave (ventricular repolarization). The clean design ensures high readability for educational or clinical use.

Commonly used in medical textbooks, online health portals, telehealth dashboards, and patient education materials to explain heart rhythm basics. Matches user intent for learning about ECG interpretation or visualizing normal cardiac activity.