There have been a few threads recently about what would happen care wise if an emergency happened involving the carer. Here are a few useful links which include information about making a contingency plan and contacting your local authority and local carers support services:
https://www.carersfirst.org.uk/help-and-advice/topics/planning-for-emergencies-as-a-carer/
https://www.carersuk.org/help-and-advice/practical-support/getting-help-in-an-emergency/
https://carers.org/emergencies/emergency-schemes-for-carers
https://www.carersfirst.org.uk/help-and-advice/topics/planning-for-emergencies-as-a-carer/
https://www.carersuk.org/help-and-advice/practical-support/getting-help-in-an-emergency/
https://carers.org/emergencies/emergency-schemes-for-carers