The actual title for this profession is Diagnostic Medical Sonography. You need to go through a program that's CAAHEP accredited so you'll be registry-eligible right after graduating. Most programs are 2 year associate's degrees, after you complete the requirements.
http://www.caahep.org/Find-An-Accredited... On avg, they make $63k/yr, but of course that depends on your full time/part time status, location, and experience. Hours per week will also vary. Some people work 40 hours, while others may only work 28-30.
It just depends on where you end up working, and how many hours they need covered. Helpful link: http://www.bls.gov/oco/ocos273.htm.
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