Anxiety attack wednesday, chest pain followed. went away, hard dusty feeling in lungs when inhale. anxious feeling, jittery feelings in muscles.. ?

Sounds like a: hangover from the anxiety attack. This is common because anxiety attacks symptoms are caused by a surge of adrenaline and stress hormones, which have a longer half-life; meaning, they take longer to leave your system. While they are around, they still create havoc, just less as they break down and are eliminated. All your symptoms are classic panic attack symptoms.