How sad is this?

My mother fell on her way to bed one evening. I had managed to get her an alert necklace but she had left it on the dining table. She lay there all night. It was January but fortunately the heating was still on. I phoned her the next morning at 10 am. When I had no reply, I went to her house and saw the paper still in the letterbox and milk still on the step. My heart froze. I let myself in and there she lay on the floor. It breaks my heart that she had lain there for 12 hours. She was just about conscious and I got her neighbour to help me get her up. The doctor came and we managed to get her into a nursing home for a temporary couple of weeks. She lived another year but was never the same. She would certainly have died if I hadnet gone round. But on reflection it would have been kinder for her . She hated her last year of life.