{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T15:08:37Z","timestamp":1769008117133,"version":"3.49.0"},"reference-count":16,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:00:00Z","timestamp":1768953600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:00:00Z","timestamp":1768953600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Echo Res Pract"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Tiger stripes, parallel bands within regurgitant Doppler spectra, are often ascribed to oscillating intracardiac structures. Their frequency and clinical relevance are unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively reviewed 4,567 transthoracic echocardiograms (TTEs) in adults between 18 and 65 years of age for tiger stripes on pulsed-wave (PW)\/continuous-wave (CW) Doppler and correlated with valve pathology, presence of oscillating masses, and clinical findings.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Tiger stripes occurred in 5.4% of studies (95% CI 4.8\u20136.1%), predominantly with mitral and aortic regurgitation jets (MR\/AR) and high-velocity tricuspid regurgitation (TR) jets. Stripes were not seen when oscillating masses were present, and were more conspicuous in mild\u2013moderate jets and higher-velocity Doppler spectra. Audible Doppler cooing sound was common; no association with clinical musical murmurs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Tiger stripes may represent a benign spectral Doppler artifact. In isolation, they should not prompt additional imaging for oscillating masses or be used to grade regurgitation severity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s44156-026-00104-8","type":"journal-article","created":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:03:12Z","timestamp":1768953792000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Tiger stripe: an innocuous Doppler artifact"],"prefix":"10.1186","volume":"13","author":[{"given":"Biswaranjan","family":"Mishra","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,1,21]]},"reference":[{"key":"104_CR1","doi-asserted-by":"publisher","unstructured":"Burns PN. The physical principles of Doppler and spectral analysis. J Clin Ultrasound. 1987 Nov-Dec;15(9):567\u201390. https:\/\/doi.org\/10.1002\/jcu.1870150903. 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Hemodynamic determinants of the frequency and amplitude of a musical murmur produced by a regurgitant mitral bioprosthetic valve. Am J Cardiol. 1982;50:53\u20138. https:\/\/doi.org\/10.1016\/0002-9149(82)90008-X.","journal-title":"Am J Cardiol"},{"key":"104_CR8","doi-asserted-by":"publisher","DOI":"10.1016\/j.jicc.2015.02.005","author":"J Rakesh","year":"2015","unstructured":"Rakesh J, Krishnan MN. Tiger stripes sign. J Indian Coll Cardiol. 2015. https:\/\/doi.org\/10.1016\/j.jicc.2015.02.005.","journal-title":"J Indian Coll Cardiol"},{"key":"104_CR9","doi-asserted-by":"publisher","unstructured":"Zoghbi WA, et al. Guidelines for the evaluation of prosthetic valve function with cardiovascular imaging: a report from the American Society of Echocardiography developed in collaboration with the Society for Cardiovascular Magnetic Resonance and the Society of Cardiovascular Computed Tomography. 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