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Q. |
The frequency range of ECG is |
A. | 0.05-150 HZ |
B. | 500-1500 Hz |
C. | 5-500 kHz |
D. | 0.5-150 MHz |
Answer» A. 0.05-150 HZ | |
Explanation: The diagnostically useful frequency range is usually accepted as 0.05 to 150 Hz. Although the electric field generated by the heart can be best characterized by vector quantities, it is generally convenient to directly measure only scalar quantities, i.e. a voltage difference of mV order between the given points of the body. |
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