i was on prozac but,had some problems with it at first.i have atrial fibulation&suffer from copd.i used to smoke but quit almost a year ago.,the people in the er told me that ssri's and snri's can cause heart problems?i was in the er at the time for super ventricular tacardia from caffieene and 4 packs of smokes a day.i said i quit smoking and did a year ago.but some of my les than desirable trates have returned.my wife thinks i need and anti depressent please help me.daniel 36.