Good info to know, connected to what Dr Kendrick wrote about years ago.
Thank you for the update, glad she is doing better and it was not a heart attack. Taking some time to consider all her options may help her accept whatever changes are ahead with less stress. Consulting with an employment attorney before resigning may benefit her heart health as well as job. She certainly has a valid reason to take a week sick leave and review options when can do so without becoming stressed.