A community of 30,000 US Transcriptionist serving Medical Transcription Industry
The medical report is one link in the communication chain that can certainly lead to major errors, up to and including fatalities, as the Precyse lawsuit so amply demonstrated. Healthcare procedural errors are rampant, and we have no idea how often the medical report may actually be relied on rather than the MAR, etc., that should be used instead.
"The errors in the database -- some of which originated with other doctors or support staff, rather than surgeons -- were caused by a range of slipups, including mixing up patient medical records, X-rays, and biopsy samples. All of the mistakes could be traced back to some form of miscommunication."
http://www.cnn.com/2010/HEALTH/10/18/health.surgery.mixups.common/index.html
Nor did I imply that MT error was a "usual" cause. Those were some examples in that article of possible places in the database chain where miscommunication can occur, which obviously includes errors within medical records, which, once again, the Precyse situation obviously demonstrates.
I actually used to attribute less importance to our part in the picture too, thinking the same as you apparently do, that other *proper* channels are always being used for info and double-checking, until I worked directly in a healthcare setting for a while and saw what really goes on.
I don't understand your motivation for denigrating the importance of medical record accuracy, except perhaps to possibly try to let MTs off the hook for the potential impact of our errors. No, spelling and punctuation aren't likely going to affect anybody's healthcare outcome, but the wrong allergy, med or dosage certainly could (and has).
http://mttoolsonline.com/2012/12/17/the-value-of-quality-healthcare-documentation/