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Related Experiment Video

Updated: Jan 22, 2026

Highly Resolved Intravital Striped-illumination Microscopy of Germinal Centers
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Tiger stripe: an innocuous Doppler artifact.

Biswaranjan Mishra1

  • 1Max Diagnostic, Cuttack, India. drbisumishra@gmail.com.

Echo Research and Practice
|January 20, 2026
PubMed
Summary
This summary is machine-generated.

Tiger stripes on Doppler echocardiograms are common, particularly with valve regurgitation. These spectral patterns are likely benign artifacts and do not necessitate further investigation for intracardiac masses.

Keywords:
Doppler artifactOscillating massRed blood cell (RBC) rouleauxTiger stripe

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Area of Science:

  • Cardiovascular imaging
  • Echocardiography
  • Doppler ultrasonography

Background:

  • Tiger stripes in Doppler spectra are often attributed to intracardiac structures.
  • The prevalence and clinical significance of these spectral findings remain uncertain.

Purpose of the Study:

  • To determine the frequency and clinical relevance of tiger stripes in adult echocardiograms.
  • To investigate the association of tiger stripes with valve pathology and oscillating masses.

Main Methods:

  • Retrospective review of 4,567 transthoracic echocardiograms (TTEs) in adults aged 18-65.
  • Analysis of pulsed-wave (PW) and continuous-wave (CW) Doppler for tiger stripes.
  • Correlation with valve pathology, oscillating masses, and clinical data.

Main Results:

  • Tiger stripes were observed in 5.4% of TTE studies.
  • Predominantly associated with mitral regurgitation (MR), aortic regurgitation (AR), and high-velocity tricuspid regurgitation (TR) jets.
  • Stripes were absent with oscillating masses and more prominent in mild-moderate jets and higher-velocity spectra.

Conclusions:

  • Tiger stripes may represent a benign spectral Doppler artifact.
  • They should not independently trigger imaging for oscillating masses.
  • Their presence should not be used for grading regurgitation severity.