Panic, chest tightness, dizziness, heartbeat, insomnia, shortness of breath, irritability

Chest tightness, dizziness, heartbeat, shortness of breath are mostly considered to be caused by myocardial hypoxia and insufficient myocardial blood supply; insomnia, irritability, are generally considered to be caused by overwork or excessive thoughts and neurological disorders. You need to go to the cardiology department of the hospital for examination and treatment after diagnosis.