Atrial Fibrillation Symptoms can sometimes be confused with ordinary tiredness or temporary changes in heartbeat. Depending on the individual, symptoms may include heart palpitations, shortness of breath, dizziness, weakness, or reduced energy. Some cases may also occur without noticeable symptoms. This resource offers a clear overview of the signs commonly associated with atrial fibrillation. Readers can use it to build a basic understanding of the condition, its possible presentation, and why paying attention to unusual heart rhythm changes can be helpful.