can anxiety cause heart arrhythmia
In brief: Sinus arrhythimia. This is the kind of heart arrhythmia that anxiety can cause and is a normal heart beat that happens to be irregular in timing. The high rate is similar to when you exercise. Since heart is pumping normally during sinus arrhythmia, it is harmless (other than causing more anxiety). Also, they tend to be short and self-limited, especially if anxiety is relieved. This is the kind of heart arrhythmia that anxiety can cause and is a normal heart beat that happens to be irregular in timing.