Doppler echocardiography

WikiDoc Resources for Doppler echocardiography
Articles
Most recent articles on Doppler echocardiography Most cited articles on Doppler echocardiography Review articles on Doppler echocardiography Articles on Doppler echocardiography in N Eng J Med, Lancet, BMJ
Media
Powerpoint slides on Doppler echocardiography Images of Doppler echocardiography Photos of Doppler echocardiography Podcasts & MP3s on Doppler echocardiography Videos on Doppler echocardiography
Evidence Based Medicine
Cochrane Collaboration on Doppler echocardiography Bandolier on Doppler echocardiography TRIP on Doppler echocardiography
Clinical Trials
Ongoing Trials on Doppler echocardiography at Clinical Trials.gov Trial results on Doppler echocardiography Clinical Trials on Doppler echocardiography at Google
Guidelines / Policies / Govt
US National Guidelines Clearinghouse on Doppler echocardiography NICE Guidance on Doppler echocardiography NHS PRODIGY Guidance FDA on Doppler echocardiography CDC on Doppler echocardiography
Books
Books on Doppler echocardiography
News
Doppler echocardiography in the news Be alerted to news on Doppler echocardiography News trends on Doppler echocardiography
Commentary
Blogs on Doppler echocardiography
Definitions
Definitions of Doppler echocardiography
Patient Resources / Community
Patient resources on Doppler echocardiography Discussion groups on Doppler echocardiography Patient Handouts on Doppler echocardiography Directions to Hospitals Treating Doppler echocardiography Risk calculators and risk factors for Doppler echocardiography
Healthcare Provider Resources
Symptoms of Doppler echocardiography Causes & Risk Factors for Doppler echocardiography Diagnostic studies for Doppler echocardiography Treatment of Doppler echocardiography
Continuing Medical Education (CME)
CME Programs on Doppler echocardiography
International
Doppler echocardiography en Espanol Doppler echocardiography en Francais
Business
Doppler echocardiography in the Marketplace Patents on Doppler echocardiography
Experimental / Informatics
List of terms related to Doppler echocardiography

Cardiology Network
Discuss Doppler echocardiography further in the WikiDoc Cardiology Network
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Overview

Doppler echocardiography is a procedure which uses ultrasound technology to examine the heart by creating an image of it and measuring the speed and direction of blood flow. This procedure is frequently used to examine children's hearts for heart disease because there is no age or size requirement.

• Continuous generation of ultrasound waves coupled with continuous reception Two crystal transducer with dual function: one crystal devoted to generation, one for receiving
• Measures all velocities along transducer beam
• Density of signal can be compared to forward flow
• Shape of flow curve gives information about pressure gradient across the valve

• Advantage: ability to measure high blood flow velocities accurately
• Disadvantage: lack of selectivity or depth discrimination

Sources

Echocardiography (Ultrasound of the heart)

External links

• Doppler Examination - Introduction