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The centennial of the Einthoven electrocardiogram
1Division of Cardiology, Department of Medicine, Weill Medical College of Cornell University, New York, NY 10021, USA. pkligfi@med.cornell.edu
Journal of Electrocardiology
|January 23, 2003
Summary
The string galvanometer, a revolutionary electrocardiogram tool, emerged a century ago from scientific and engineering breakthroughs. Willem Einthoven
Area of Science:
- Cardiology
- Biomedical Engineering
- Medical Physics
Background:
- The electrocardiogram (ECG) evolved from early 20th-century physiological and physical research.
- Willem Einthoven's string galvanometer significantly advanced ECG recording capabilities.
Discussion:
- Einthoven integrated advances in electromagnetism, optics, and quartz chemistry into his galvanometer design.
- Mathematical correction of capillary electrometer tracings was crucial for the instrument's accuracy.
Key Insights:
- The string galvanometer transformed the investigation of cardiac electrical activity.
- This innovation provided a fundamental tool for understanding heart function.
Outlook:
- Einthoven's pioneering work laid the foundation for modern electrocardiography.
- His contributions earned him the Nobel Prize, highlighting the instrument's impact.