Welcome in H.C.M.
I have gone through your query regarding panic attack
, feeling of lump, tightness in throat though you can swallow food without obstruction.
Your all symptoms are indicating for GASTRO ESOPHAGEAL REFLUX DISEASE
You may take-
(b) Avoid spicy food.
(c) Prefer liquid diet
(d) Avoid alcohol and smoking
I hope above treatment will help you.