Local and Long Distance Transmission and Storage of Electrocardiograms and other Low Frequency Signals
W. E. RAHM, J. L. BARMORE, I. M. ELLESTAD, F. LOWELL DUNN
Circulation Research. 1953;1:518-522Originally published November 1, 1953
W. E. RAHM
J. L. BARMORE
I. M. ELLESTAD
F. LOWELL DUNN
A procedure using frequency modulation is described for transmission of electrocardiograms and electroencephalograms over available local and long distance telephone facilities.
- Received June 22, 1953.
- © 1953 American Heart Association, Inc.