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Breath Hold - End-expiration
"take a deep breath in, breathe out slowly and hold your breath".

 

Memorial Echo Quality Improvement Examples

Focus ROI - Norrowing the image sector
Improves frame rate. Same reason why color compare is acceptal for the color image but not for the 2-D image

 

Large
Smaller FOV - Gains in Hz
Color with smaller FOV
Hepatic Vein Flow
As in all other flows it is best to evaluate with sweep 25 and measure with sweep 50-100.
If flow are expected to be greatly impacted by respiration consider adding respirometer. Shallow breaths may help if loosing image with breathing (but when breathing is still important for diagnosis). 
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