I have irregular heart beat but mid sentence my heart was almost twitching. it felt like shivering fast beats.what kind of irregular beats is that?

Extra beats: probably a common condition known as symptomatic PVCs or PACs. These are extra beats that reset the cardiac cycle and as such have with them a "compensatory pause". The associated symptoms of palpitations and brief breathlessness can be unnerving to some people. If continue to bother go get bloodwork and a 24 hour Holter (device you wear for 24 hours to assess heart rhythm. Any primary care can do