Hello. My Mother In Is In Florida, I Am In

Hello. my mother in is in Florida, I am in Dallas, Tx. I was told she's been sleeping all day. She was taken to the hospital because they cant wake her. She medical history is as follows.........She's been blind for 10 years, she has MS, MDS, Lupus, she's had at least one stroke in the past two years, She is now in the hospital, with a heart rate of 50. its that very low? Should her heart rate be about 60?