Edler and Hertz: ultrasonic recording of heart-wall movements

What changed

Reported reflectoscope recordings of moving heart walls, an early time-motion echocardiographic method.

Scientific scope

The record is the exact two-author 1954 paper, using its later reprint and a historical review. It does not absorb all echocardiography, later two-dimensional imaging, Doppler methods or every clinical validation.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact two-author 1954 paper, using its later reprint and a historical review. It does not absorb all echocardiography, later two-dimensional imaging, Doppler methods or every clinical validation.

Contributors

• Inge Edler · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Carl Hellmuth Hertz · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• PubMed reprint record for Edler and Hertz 1954

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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