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The head-up tilt table test usually takes one to two hours to complete. However, that may vary depending on the changes observed in your blood pressure and heart rate and the symptoms you experience during the test. Before the test begins, a nurse will help you get ready. The nurse will start an IV (intravenous) line.
Rapid-tests should only last a few seconds and not longer than 5 minutes. With clever software simulation, the duration can be shortened to fall within the desired short test time. In Figure 2, a good battery and a faded battery are scanned from 0.1Hz to 1kHz. The difference in impedance (-Imp -Z) is strongest between 1Hz and 10Hz.