week. he left the las vegas hospital yesterday. take a look. he posted a video saying he s not going anywhere. hello, everybody. we re in las vegas. i just got out of the hospital a few hours ago and i m feeling so much better. i just want to thank all of you for the love and warm wishes that you sent to me. see you soon on the campaign trail. joining us now to discuss is dr. steven nissin. he s a cardiologist with the cleveland clinic. doctor, first we have to ask, what does a myocardial infarction mean and how does it relate to senator sanders? he did have a heart attack. it does sound like there was a limited heart attack, not a lot of damage to the heart muscle, but a heart attack with there s a blockage in the coronary that blocks blood flow and there was