ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Computer artwork of an ECG (electrocardiogram) trace from an unhealthy human heart. The waves are irregular and then stop (flatline) indicating cardiac arrest. The pentobarbital barbiturate drug structure (magenta) on the right is indicating it's use in capital punishment executions and assisted suicides.
Model release not required. Property release not required.