John often experiences unanticipated attacks of intense fear. during these episodes, he feels like fainting and has trouble catching his breath. john cannot identify the source of his feelings and worries that he might die of heart failure. in the context of psychological disorders, john is exhibiting the symptoms of disruptive mood regulation disorder. paranoid personality disorder. panic disorder. social anxiety disorder.

Respuesta :

I believe the answer is: Panic disorder

People with panic disorde would constantly experience unreasonable anxiety even if there is no actual threat around them.
The recurring attacks in panic disorder is hard to manage because it happen at random moment without any specific trigger that could be avoided.