Well guys, I went to the cardiologist to get clearance for hip replacement surgery and the EKG came out different from what it has been the way they explained it and with a few skipped beats. I had noticed that my heart beat was irregular at times. So, in a month I go back for a stress test and an echocardiogram. In the mean time, I know the Vitamin K2 had an effect on my heart with the reduced angina, so I did some more research and it appears that a side effect of the K2 can be heart palpitations.... So, I reduced the intake of K2 to one supplement of 45 mcg instead of 90 and I'll see if that makes a difference. And I'm going to increase my exercise routine. Sucks to be an old fart! Ha!