Hey guys! I got CRt pacemaker on 19 May,2020, as I have 3 degree heart block and also my ef drop to 45%. I am feeling shortness of breath and weird feeling, nauseas and unable to exercise, since my surgery. I went to er and also check with my cardiologist they said pacemaker is wort100% and also they did echo all look fine. I dont know why I am feeling this. Also my pocket side feel tight.