My Symptoms Are Primary Symptoms: 1. Heart Symptoms: • Racing

My symptoms are Primary Symptoms:
     1.     Heart Symptoms:
     •     Racing heart episodes (sometimes sudden and severe).
     •     Elevated resting heart rate in the past.
     •     Low heart rate variability (HRV) noted before.
     2.     Pain Symptoms:
     •     Chest pain: Sometimes accompanied by nausea and radiating to the left shoulder.
     •     Back pain:
     •     Mid-back on the left side, worsens when inhaling or bending backward.
     •     Occasionally occurs with hiccups.
     •     Jaw pain: Sudden, severe pain extending to the right mid-jaw from the chest.
     3.     Other Symptoms:
     •     Nausea (intermittent).
     •     Red, itchy skin patch (random, small area on the body).
     •     Hiccups followed by back pain.
     •     History of panic attack (recently triggered by an energy drink). what do I have and should I be worried?