• Pediatric cardiology · Oct 2011

    Case Reports

    Murmur and Doppler alternans in critical pulmonary stenosis.

    • Mehnaz Atiq, Saleem Akhter, Sheikh Abdul Sattar, Shazia Mohsin, and Nadeem Aslam.
    • Department of Pediatrics and Child Health, Aga Khan University Hospital, PO Box 3500, Stadium Road, Karachi 74800, Pakistan. mehnaz.atiq@aku.edu
    • Pediatr Cardiol. 2011 Oct 1;32(7):1004-7.

    AbstractPulsus alternans is a well-recognized clinical entity in which alternating strong and weak pulses are detected. It usually is secondary to underlying myocardial failure. Murmur alternans (alternation in murmur intensity) has been described in aortic stenosis and a few right-sided lesions such as pulmonary hypertension and embolism. This report describes a case of murmur alternans in critical pulmonary stenosis that also showed Doppler alternans on echocardiography. The underlying cause was right ventricular systolic dysfunction.

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