CRAT Practice Exam 2026 – Complete Guide for Test Preparation

The individual credited with the invention of the first electrocardiogram (ECG) machine is Wilhelm Einthoven. He developed this groundbreaking instrument in the early 20th century, specifically in 1903, which allowed for the recording of the electrical activity of the heart. His work significantly advanced the field of cardiology, enabling clinicians to better diagnose and understand heart conditions.

For his revolutionary contributions, Einthoven was awarded the Nobel Prize in Physiology or Medicine in 1924. His invention transformed the approach to cardiac health assessments and has had a lasting impact on medical practice.

While the other individuals listed contributed to the understanding of heart physiology and rhythm, it was Einthoven's innovation of the ECG that established a pivotal tool for monitoring heart health, making him a key figure in the advancement of medical instrumentation.