Key result
Recording dp/dt using a standard catheter system provides a practical representation of the form and reasonably accurate determination of the magnitude of peak dp/dt compared to a reference system.
A standard cardiac catheter system can be used to accurately record the first derivative of ventricular pressure (dp/dt).
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May enable routine dp/dt assessment with standard catheters; hypothesis-generating and requires prospective validation before practice change.
A method for recording dp/dt by using a standard catheter system was developed after pressure pulses had been analysed in terms of their Fourier series. A comparison between the recorded dp/dt and a reference system was then made. It was concluded that practical and useful representation of the form and reasonably accurate determination of the magnitude of peak dp/dt are possible with such a system.
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Knopp et al. (1970) studied this question. Recording dp/dt using a standard catheter system vs. Reference system was evaluated on Representation of the form and magnitude of peak dp/dt. Recording dp/dt using a standard catheter system provides a practical representation of the form and reasonably accurate determination of the magnitude of peak dp/dt compared to a reference system.
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