The symptoms are.
• Palpitations
• Sweating
• Trembling or shaking
• Sensations of shortness of breath or smothering
• Feelings of choking
• Chest pain or discomfort
• Nausea or abdominal distress
• Feeling dizzy, unsteady, light-headed or faint
• Derealisation (feelings of unreality) or depersonalization (feelings of being detached from oneself)
• Fear of losing control or going crazy
• Fear of dying
• Numbing or tingling sensations
• Chills or hot flushes.