Answer:
A Panic Attack.
Explanation:
It is not really known what particularly causes a panic attacks but from experience and study, it could be instigated by the loss of a loved one, loss a job, divorce etc. It gives you the feeling of a rapid heart rate, sweating, shaking, and many others. In a body system, it is explained to be seen as the pump of adrenaline into the blood stream. This explains what happened to her.