Anxiety and grief

hi all I have anxiety I’m 31 with two kids my anxiety is mainly health my heart and evolves around me thinking I’m dying I’m currently 10days covid none infectious no more still symtoms obviously that’s a biggie for my anxiety but yesterday my mum had the most tragic fall in her flat and is badly brain damaged I haven’t got a big family or any help I’m not coping I’m shaking cant sleep not slept in 34hours I cant break or I’m afraid I might get sectioned which cant happen my mums machine will be turned off tomorrow or the next day will my doctor help me prescribe me something to help Ive got a child still at school 6 years old I’m goin to struggle to leave the house I’m so afraid I need some stories on people grief and anxiety symtoms on shock and anxiety xxxxxx