Stage 0 Patient
Absolutely call your Mom's medical team. They should assess her wound , make a treatment plan and if family is not comfortable with the wound care they should make a referral for a visiting nurse to come into see your Mom and do the dressing changes ordered .
Don't feel bad asking for help - that is why they are there .
Sorry this has happened but there is help available~- for you and your Mom .You do not have to do this alone .
Please make that call and best wishes to you and your Mom for strength and healing .