Comment ECGBoy (Score 1) 122
This concept has already been covered/done in ECG form in the late 90s...
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cm d= Retrieve&db=PubMed&list_uids=9800006&dopt=Abstract
http://www.biomedpatent.com/5876351.htm
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?c
http://www.biomedpatent.com/5876351.htm