Why the study?
What are the normal limits of electrocardiogram peaks and depressions in healthy young male adults?
Population
Healthy young male adults
Design
Cross-sectional
Authors
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Sets initial ECG norms in young adults; leaves open modern validation across populations and clinical contexts.
What are the normal limits of electrocardiogram peaks and depressions in healthy young male adults?
This early study aimed to establish the normal limits of the human electrocardiogram in healthy young men to serve as a baseline for identifying pathological changes.
Lewis et al. (1912) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: