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Year : 2022  |  Volume : 23  |  Issue : 4  |  Page : 230-234

Tiger stripes in carditis of rheumatic origin

Department of Cardiology, LPS Institute of Cardiology, GSVM, Kanpur, Uttar Pradesh, India

Correspondence Address:
Dr. Najeeb Ullah Sofi
Department of Cardiology, LPS Institute of Cardiology, GSVM, Kanpur, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/heartviews.heartviews_4_22

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“Tiger stripes” or “Zebra stripes” are multiple band-like signals noted on Doppler spectral recordings and have been associated with intracardiac oscillating structures. They have been attributed to flail prosthetic valve leaflet, native valve regurgitation without flail leaflet, papillary muscle rupture in acute coronary syndrome, and possibly Lambl's excrescences. To our knowledge, there is only one case report in the English literature that had identified this sign in rheumatic carditis. We present the case of a 14-year-old boy, who was known to have rheumatic heart disease and presented with worsening dyspnea of recent onset. His antistreptolysin O, C-reactive protein, and erythrocyte sedimentation rate titer were raised. Echocardiography revealed severe eccentric mitral regurgitation with multiple high-intensity signals (tiger stripes) on continuous wave (CW) Doppler. The patient was managed as rheumatic carditis with steroids. Repeat echocardiography after 1 month showed the resolution of tiger stripes. Upon tapering, steroids patient's symptoms worsened and echocardiography revealed the reappearance of tiger stripes. We propose that these high-intensity signals in spectral Doppler reflect valvulitis and are the echocardiographic counterpart of musical overtones. We suggest that these signals on CW Doppler in a patient with established rheumatic heart disease be taken as a marker of carditis and the patient should be managed accordingly. We refer to this sign as a “Fingerprint sign” due to its resemblance to it and to differentiate it from Tiger strips because of its dynamic nature. This sign can be used to identify and follow carditis in a rheumatic scenario.

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