The symptoms of an arrhythmia can range depending on the type of arrhythmia and the severity. For example, tachycardia is a type of arrhythmia that causes the heart to beat too fast at a rate greater than 100 beats per minute. Different arrhythmias can present with different symptoms but some common symptoms include chest pain, shortness of breath, palpitations, swelling, passing out, or fatigue.