Symptoms of atrial fibrillation vary from person to person.
A number of people have no symptoms.
The most common symptom in people with intermittent atrial fibrillation is palpitations, a sensation of rapid or irregular heartbeat.
This may make some people very anxious. Many people also describe an irregular fluttering sensation in their chests.
Some become light-headed or faint.
Other symptoms include weakness, lack of energy or shortness of breath with effort, and chest pain.
Circulatory System
Circulatory System, or cardiovascular system, in humans, the combined function of the heart, blood, and blood vessels to transport oxygen and nutrients to organs and tissues throughout the body and carry away waste products. Among its vital functions, the circulatory system increases the flow of blood to meet increased energy demands during exercise and regulates body temperature.
