Figure 1 .

The scheme of left atrial pressure measurement by a radio telemetry system in this experiment. The digital signal of the data of the left atrial pressure from the transmitter was sensed by the receiver and sent to a data exchange matrix. An ambient pressure reference monitor was connected to the data exchange matrix to monitor correct atmospheric pressure and exclude all rocal environmental pressure fluctuations. Finally, the digital signal data was converted to an analog signal by the data exchange matrix and sent to a personal computer.

Suzuki et al. BMC Veterinary Research 2012 8:166   doi:10.1186/1746-6148-8-166
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