Renal intraparenchymal acceleration time

Last revised by Mostafa Elfeky on 14 Jun 2023

Renal intraparenchymal acceleration time is a parameter used in assessing renal arterial stenosis on Doppler ultrasound. It is the time taken from the start of systole to peak systole. 

  • normal range: a value of usually <0.07 seconds (<70 ms) is taken as being within normal limits 1

See also

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