Hungry chest congestion may be caused by low blood sugar or hypoglycemic reaction. If you don’t have timely nutritional supplementation when you are hungry, the lack of energy in the body is often caused by starvation, resulting in low blood sugar, the body’s vital organs can’t replenish energy in a timely manner, especially when the heart lacks energy supply, it is easy to appear chest tightness. It may also be due to hungry stomach directly lead to a low blood sugar reaction, often cause sympathetic over-excitement, while the central nervous system is inhibited, the patient will be hungry, sweat, palpitations (rapid heartbeat, often accompanied by panic), tremor and other symptoms. Hungry chest congestion, must be timely rest and supplementation, if the symptoms continue to be unrelieved, need to promptly go to the hospital.