I. Technical Description
The principle of a prototype multiple element echocardiographic instrument is described. The major goal of this system is instantaneous visualization of moving cross-sections of the heart. As a result a direct impression of cardiac anatomy and dimensions may be obtained. The transducer contains 20 small acoustic elements positioned in a row. System characteristics and transducer details are given. A flexible five lever time-gain compensation unit which permits independent gain setting for specific depth ranges is described. Recording modes include video tape, photographic, film and line scan techniques. The signal from any selected element of the Multiscan transducer may be recorded in the conventional time-motion display, thus combining Multiscan capabilities with conventional echocardiographic techniques.
- Received May 7, 1973.
- Accepted June 27, 1973.
- © 1973 American Heart Association, Inc.