Firstly Charrison, I'm am deeply sorry for your lost.
As much as I hate to welcome people to LADVT (I rather meet people under better circumstances) I am glad you found us.
All the people here have lived and survived a DVT incident. It can be a roller coaster ride (physically and mentally) or not. I have experienced both since 2007.
There are many sites/forum on the www that offer either false or badly presented information, here at LADVT we try to stay as close to science as possible. I have been a patient under the care of Hemotalogists that are part of a major International research team, the Thrombosis Assessment and Treatment unit at the Ottawa Hospital that is also linked to the Ottawa University Medicine dept. We try to have the latest in DVT literature available for you to read and take advantage to help your recovery.
Sometimes, we do read info that can trigger panic attacks, (been there, done that) sure there are freak cases, but if your INR is therapeutic you should not have to worry about heart attacks and PEs.
Worst case, if this uncertainty does persist, the best thing is to go to the nearest ER and have a Dr.check you out (D-dimmer, Doppler test,Ultra Sound test). I always say, better waste time at the hospital as oppose to not go and be sorry...
If you have ANY questions, please ask, if we don't have the answers, we can find them, many of us are members at various other DVT patient support groups.