A Speed of 35-40 mph May be Biologically Possible. Amazing as Usain Bolt's new world record 100-meter victory was, his time of 9.58 seconds is nowhere near what biostatisticians such as Peter Weyand of SMU thinks is the natural limit for the human body.
This slowed the process of criminal background clearances to a period of WEEKS and MONTHS. The Live Scan process gets results to the employer or licensing agency within days. In most cases, the results from DOJ come back within 72 hours. Please note, due to various reasons, results can be delayed. For any significant delay, DOJ will contact the requesting agency. The results are either emailed or sent to the requesting agency listed on the Request for Live Scan Service form.
A: Most MRI's are read within 24 hours and the results sent to your doctor. He should have seen the results probably 48 hours after your scan. You are getting the run around, either that or they can't find the printed MRI report that was sent to your doctor and that is why you are getting the run around.ow long will depend on why you are having the scan and where you have it done. Ask at the time/place the MRI is performed. [ Source: http://www.chacha.com/question/how-long-does-it-take-for-mri-results-to-come-back ]. More Answers to  How long does it take for MRI results to come back .