Does arrhythmia usually cause many symptoms?

Arrhythmia. Arrhythmia can cause number of symptoms which can include palpitation, shortness of breath, dizziness, sweating, chest pains and syncopy.
It varies. Arrhythmia symptoms are highly variable and range from none to sudden death. Much depends upon the cause of the arrhythmia. Usually a recording at the time of symptoms, when present, helps clarify the severity.