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:
If you've ever had a panic attack, you're familiar with the way your hands get clammy, you can't catch your breath â and your heart feels like it's going to pound right out of your chest. But problems with your heart can also be the cause of anxiety. In fact, after a heart attack or heart surgery, about one-third of people experience anxiety symptoms such as heart palpitations and shortness of breath. These symptoms often last up to one year or more, and they're more common in women.