Overall, autoimmune diseases are common, affecting more than 23.5 million Americans. They are a leading cause of death and disability. Yet some autoimmune diseases are rare, while others, such as Hashimoto's disease, affect many people.
Heart palpitations can be triggered by stress, exercise, medication or, rarely, a medical condition. Although heart palpitations can be worrisome, they're usually harmless. In rare cases, heart palpitations can be a symptom of a more serious heart condition, such as an irregular heartbeat (arrhythmia), that may require treatment. Symptoms Heart palpitations can feel like your heart is:
Anxiety and panic attacks. Some episodes of chest pain occur as part of an anxiety or panic attack. In addition to chest pain and overwhelming feelings of anxiety, these attacks can cause symptoms such as heart palpitations, sweating, breathlessness and dizziness. Most panic attacks last for 5 to 20 minutes. In the long-term, you may benefit from psychological therapy and medication, or both.