Question

A woman is sitting on a bench. she is sweating profusely, is short of breath, has numbness in her feet and hands, and feels as though she is dying. based on this information alone, we could conclude that the woman is suffering from:

Answer 1

The answer would be a panic attack.

The panic attack causes the person activates the sympathetic system that them sweating and breathing fast. 
Rapid breathing will cause many CO2 removed than normal, lead to lower level of CO2 in the blood. Carbon dioxide makes the blood more acid, so lower level of CO2 will make the blood become basic, cause respiratory alkalosis which causes the numbness in feet and hands.