Panic attacks tend to gradually subside and resolve on their own within about 20 minutes. A heart attack, however, will often continue and may worsen over time.
Heart attack symptoms:
β’ Chest pain / pressure
β’ Pounding / racing heart
β’ Feeling lightheaded / faint
β’ Sweating / cold sweats
β’ Pain / discomfort in upper body (jaw, neck, arms, shoulders or back)
β’ Shortness of breath
β’ Nausea or vomiting
β’ Feeling of impending doom