Hi,Before giving you the answer for this serious concern,would like to know that,
1.Since how long Your mother is facing this problem?
2.Any Relevant past medical history?
3.Any kind of tension or stress/depression
that she was facing?
4.Was she taking any medicines before this attack?
Please revert As soon as possible to get correct medical advice
on the basis of description of symptoms...
Just relax and calm...its important to maintain all her vital signs
within range till now..