Startup Idea: PTSD Alert Application

Startup idea to develop a software application, easily accessible even during shower, to alert family members when a person suffering from PTSD is having a panic attack or flashbacks.

I suffer from PTSD and often have flashbacks. They are really terrible moments of panic and peril and it would be nice to have software that I could use quickly to press and alert my family of an attack. Most of my attacks happen int he shower so it'd be nice to have access to help when showering. Yes no software seems to do exactly what I need it to do.