Dilated cardiomyopathy echocardiography and ultrasound: Difference between revisions

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{{CMG}}; {{AE}} Sachin Shah, M.D.
{{CMG}}; {{AE}} Sachin Shah, M.D.
==Overview==
==Overview==
[[Echocardiography]] is the most common imaging finding used to diagnose dilated cardiomyopathy. Findings may include ventricular and atrial dilatation, increased left ventricular mass, a global reduction in systolic function, and focal wall motion abnormalities.
[[Echocardiography]] is the most common imaging finding used to diagnose [[dilated cardiomyopathy]]. Findings may include ventricular and atrial dilatation, increased left ventricular mass, a global reduction in systolic function, and focal wall motion abnormalities.


==Echocardiography/Ultrasound==
==Echocardiography/Ultrasound==
===Echocardiography===
===Echocardiography===
The diagnosis of dilated cardiomyopathy is based on clinical presentation and imaging findings. The most common imaging modality used to diagnose dilated cardiomyopathy is 2D-echocardiography.  Echocardiographic findings of dilated cardiomyopathy include:
The diagnosis of [[dilated cardiomyopathy]] is based on clinical presentation and imaging findings. The most common imaging modality used to diagnose dilated cardiomyopathy is 2D-echocardiography.  Echocardiographic findings of [[dilated cardiomyopathy]] include:


*Dilation of the [[left ventricle]]; however, may include dilatation of all 4 [[cardiac chambers]]
*Dilation of the [[left ventricle]]; however, may include dilatation of all 4 [[cardiac chambers|cardiac chambers.]]
*LV (left ventricular) wall thickness usually is normal but given the dilation the LV mass is increased  
*Left ventricular wall thickness usually is normal, but the dilation the LV mass is increased.
*In addition there is a global reduction in systolic function
*In addition, there is a global reduction in systolic function.
*Occasionally there may also be focal wall motion abnormalities even in patients without flow limiting [[coronary artery disease]]<ref> Mayo Clinic Cardiology. Concise Textbook. Murphy, Joseph G; Lloyd, Margaret A. Mayo Clinic Scientific Press. 2007.</ref>
*Occasionally there may also be focal wall motion abnormalities even in patients without flow limiting [[coronary artery disease]].


The diagnosis requires a dilated left ventricle and low [[ejection fraction]].
The diagnosis requires a dilated [[left ventricle]] and low [[ejection fraction]].


==References==
==References==

Revision as of 17:21, 30 December 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sachin Shah, M.D.

Overview

Echocardiography is the most common imaging finding used to diagnose dilated cardiomyopathy. Findings may include ventricular and atrial dilatation, increased left ventricular mass, a global reduction in systolic function, and focal wall motion abnormalities.

Echocardiography/Ultrasound

Echocardiography

The diagnosis of dilated cardiomyopathy is based on clinical presentation and imaging findings. The most common imaging modality used to diagnose dilated cardiomyopathy is 2D-echocardiography. Echocardiographic findings of dilated cardiomyopathy include:

  • Dilation of the left ventricle; however, may include dilatation of all 4 cardiac chambers.
  • Left ventricular wall thickness usually is normal, but the dilation the LV mass is increased.
  • In addition, there is a global reduction in systolic function.
  • Occasionally there may also be focal wall motion abnormalities even in patients without flow limiting coronary artery disease.

The diagnosis requires a dilated left ventricle and low ejection fraction.

References

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