Darcy issitting at her desk in her office one day when, without warning, her heartbegins racing rapidly, and she experiences dulled vision and hearing, rapidbreathing, and sweating. She thinks she is having a heart attack. Nothing sheis doing seems to have caused such an episode. Her symptoms MOST resemble .

panic attack

Explanation:panic attack is a sudden intense fear,that can cause physical reaction. When panic attack happens,one may feel like they are having heart attack,going crazy or even dying. It happens without warning, and most often without clear trigger.

Symptoms includes

Heart racing

Shortness of breath

Sweating

Sudden intense fear

Chills

Hot flashes

Chest pain