Question

hi guys ... plzz explain the echo process?​

Answer 1

Answer:

An echo uses sound waves to create pictures of your heart's chambers, valves, walls and the blood vessels (aorta, arteries, veins) attached to your heart. ... The probe produces sound waves that bounce off your heart and “echo” back to the probe. These waves are changed into pictures viewed on a video monitor.

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Answer 2

answer:

Once the ECR is approved, an engineering change order (ECO) is generated, which lists the items, assemblies and documentation being changed and includes any updated drawings, CAD files, standard operating procedures (SOPs) or manufacturing work instructions (MWIs) required to make a decision about the change

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