What Are the Signs and Symptoms of an Arrhythmia?

Many arrhythmias cause no signs or symptoms. When signs or symptoms are present, the most common ones are:

• Palpitations (feelings that your heart is skipping a beat, fluttering, or beating too hard or fast)
• A slow heartbeat
• An irregular heartbeat
• Feeling pauses between heartbeats

More serious signs and symptoms include:

• Anxiety
• Weakness, dizziness, and lightheadedness
• Fainting or nearly fainting
• Sweating
• Shortness of breath
• Chest pain