I have benign pac's according to 2 diff cardio. they come and go but they seem happen a lot worse during times of stress and sometimes i get really anxious, almost panic attack and they happen till i get calmed down, how does stress's cause these?

Somatoform disorder: Hypochondriasis and illness anxiety disorder may become significant affecting one's quality of life and functional level. They are part of somatoform disorders. Cognitive behavioral therapy and SSRI's have been successful in treating a condition that otherwise may harm the individuals affected due to disproportionate intensity of care in a medical system focused on finding structural changes.