What are signs and symptoms of panic attacks?

Panic: Panic attacks in panic disorder typically begin all of a sudden and out of the blue, symptoms usually peak within 10 minutes. Symptoms may include fear of loss of control /death, rapid heart rate, chest pain, sweating, tremor, shortness of breath, chills/hot flashes. Nausea, headache, faintness, tightness in throat & difficulty swallowing.

Panic attacks sxs:: anxiety; rapid, pounding heart; chest tightness/pain; shortness of breath w hyperventilation; hot /cold flashes; butterflies in stomach, nausea or vomiting; tingling of mouth or extremities; ^ sweating; feeling faint or lightheaded; headache or shaking, difficulty swallowing or tight throat; They usually peak w/i 10 mins. There may be a sense that you aren't real or that the world around you is >