my mother passed away Sunday from Sepsis-Bowel Perforation and I needed to know what it is. She wasn’t sick till the night before after she ate supper. She said her stomace was hurting. She feel the next moning and hit her head. She was ice cold with alittle sweat on her neck. Please, explain this to me.

Summarized question: Why did my mother die from a Sepsis-Bowel Perforation and falling and hitting her head?