Panic attack vs anxiety attack symptoms, how do they differ?

Essentially the same: Panic attack ; anxiety attack: basically the same. Feeling of impending doom; intense fear that often coincides with so-called physiological changes; by definition lasts at least 10 min ; at least 4 of these: shallow, fast breathing; rapid heart-rate/palpitations; chest tightness, nausea/vomiting in some cases;feeling cold ; clammy or lightheaded; trembling/shaking; feeling of dying/losing control.