I am 19 years old female I am having psvt and having calcium channel blockers daily. Since day before yesterday I am having some kind of uneasiness in my chest and I felt like my food pipe and throat are swollen from inside and also whenever I take deep breath it feels like there is something in my chest .yesterday I was in auto I felt like my heart was shivering although pulse was normal and entire body was normal. The sec auto was stopped I was feeling normal. And after that I was having acidity like never before. Acidity was very high. Its second time this is happening. Can you tell me why ?is this a panic attack as I was in a mental pressure since march this year now I am recovering from this. Is this panic attack or something else.