Tardus parvus

Dr Henry Knipe et al.

Tardus parvus refers to a particular pattern of Doppler ultrasound spectral waveform. It commonly occurs downstream from significant arterial stenosis, and in particular is useful in assessing for renal artery stenosis

Radiographic features

  • tardus: prolonged systolic acceleration (i.e. slow upstroke)
  • parvus: small systolic amplitude and rounding of systolic peak
Ultrasound - general index
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Article information

rID: 43541
System: Vascular
Section: Radiography
Tag: cases
Synonyms or Alternate Spellings:
  • Pulsus parvus et tardus
  • Tardus-parvus waveform
  • Tardus-parvus

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Cases and figures

  • Drag
    Right intrarenal ...
    Case 1: in renal artery stenosis
    Drag here to reorder.
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