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October 1, 1973Circulation

Doppler Echocardiography

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Why the study?

Can range-gated pulsed Doppler echocardiography localize cardiac murmurs in patients with various structural and valvular heart diseases?

Population

20 patients with cardiac murmurs

Design

Case_series

Authors

SJSteve JohnsonWashington University in St. LouisDBDonald W. BakerAgricultural Research ServiceRLRobert A. LuteUniversity of Washington

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Implication

Supports feasibility of pulsed Doppler for murmur localization in select cases; hypothesis-generating and requires prospective validation before clinical adoption.

Structured PICO

Can range-gated pulsed Doppler echocardiography localize cardiac murmurs in patients with various structural and valvular heart diseases?

P
Population
20 patients with cardiac murmurs (including mitral stenosis, mitral regurgitation, left ventricular outflow tract obstruction, aortic stenosis, aortic insufficiency, tricuspid stenosis, atrial septal defects, pulmonic stenosis, pulmonic insufficiency, and coarctation of the aorta)
I
Intervention
Range-gated pulsed Doppler echocardiography
O
Outcome
Localization of murmurs by detection of turbulent flow or jets at the sampling sitesurrogate

This early study demonstrates the utility of range-gated pulsed Doppler echocardiography in localizing cardiac murmurs noninvasively.

Cite This Study

Johnson et al. (1973) studied this question.

synapsesocial.com/papers/6a8194ee2ac899ae0206ccb6https://doi.org/10.1161/01.cir.48.4.810

Topics

Mitral valve interventionEchocardiography
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Also Consider

Synapse has enriched one closely related paper. Consider it for comparative context:

  1. 1Blood Flow Measured by Doppler Frequency Shift of Back-Scattered Ultrasound1961 · 371 citations