Heart Attack & Cardiac Arrest Explained - Medical Illustration #2240867 (License: Personal Use)

This medical illustration depicts a human heart with prominent red (arterial) and blue (venous) vasculature, overlaid by a bold yellow lightning bolt indicating an acute electrical disruption-commonly representing ventricular fibrillation or sudden cardiac arrest. The image emphasizes the life-threatening nature of arrhythmias and the urgency of defibrillation. It’s designed for clarity in patient education and clinical training materials.

Used on health education websites, emergency response guides, cardiology resources, and CPR training pages to visually communicate the concept of sudden cardiac arrest; matches user intent seeking quick understanding of heart attack vs. cardiac arrest, emergency signs, or how defibrillators work.