Symptoms of palpitations include discomfort in the chest, difficulty breathing, irregular heartbeat, chest pain, and the head feels light. In a serious condition needs immediate medical treatment, but prior to the doctor or the symptoms are mild you can do the following:
Stimulants can stimulate the heart rate by speeding up metabolism and releases adrenaline. So, definitely avoid coffee, caffeinated tea, soft drinks, energy drinks, and medicines that contain caffeine.
If you are experiencing tachycardia caused by high blood pressure or other circulatory system problems then you should start eating foods high in fiber. This will erode the fiber layer of fat in blood vessels causing high blood pressure. Also drink enough water and avoid eating too much saturated fat.
Simple exercise done in stages is great for strengthening the heart muscles. But remember, do not exercise that much because it was not even good for the heart and prone to heart attacks.
Anxiety also makes the body releases adrenaline which causes the heart beat faster.
Meditation is the ability to control the mind and body function by concentrating on one of them in order to reach things that are soothing. By learning how to relax, then you also learn to lower the heart rate.