I'm sorry, You just got pushed into a brick wall and you came out swinging.. it happens. Contact your Pdoc tomorrow if the Seroquel doesn't help you in a huge way tonight.
Anger is part of Bipolar. Right now? the main concern is keeping yourself safe. Later on you can revisit what happened with your mom and dad.
Just tell your Husband your very sorry , your in a terrible place and are going to reach out for help, Then step off the guilt train, Focus on you and staying safe.
Keep posting , Pm if you want or need to. Keep flinging coping skills until something sticks.. Breath...