'mill-wheel' murmur and computed tomography of intracardiac air emboli

The 'water-wheel' or 'mill-wheel' murmur is classically associated with large intracardiac air emboli and described as a "characteristic splashing auscultatory sound due to the presence of gas in the cardiac chambers." We used 64-slice computed tomography (slice thickne...

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Veröffentlicht in:	Journal of the American Association for Laboratory Animal Science 2009-05, Vol.48 (3), p.300-306
Hauptverfasser:	Rubal, Bernard J, Leon, Alisa, Meyers, Belinda L, Bell, Christopher M
Format:	Artikel
Sprache:	eng
Schlagworte:	air air-blood interface dynamics animal disease models Animals blood circulation Case Reports computed tomography Ct, Computed Tomography diagnostic techniques digital images embolism Embolism, Air - diagnostic imaging heart Heart Murmurs - diagnostic imaging heart sounds heart ventricle iatrogenic disorders Image Processing, Computer-Assisted Sus scrofa swine Tomography, X-Ray Computed
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Beschreibung
Zusammenfassung:	The 'water-wheel' or 'mill-wheel' murmur is classically associated with large intracardiac air emboli and described as a "characteristic splashing auscultatory sound due to the presence of gas in the cardiac chambers." We used 64-slice computed tomography (slice thickness, 0.5 mm; revolution time, 400 msec) and 3D fly-through software imagery to capture previously unreported intracardiac air-blood interface dynamics associated with this murmur and ineffective right ventricular contraction in a porcine model.
ISSN:	1559-6109 2769-6677