first of all get your dad tested by ALS specialist or clinic and then hire a home health care services giver they are professionals they will surely take care of your dad.
it happens sometime the situation we can't handle even not to think proper what to do. As you mom suffering with ALS and other ailments letting her down . Don't waste time at all go to get the doctor place emergency appointment. Not just thinking to scream, it is just one hard time you would...