Part and parcel of being a Practical Woman is about being prepared. One thing you can prepare for is coming across someone who needs help. Doing a first aid course really does provide invaluable life skills.
If you are interested in learning first aid skills, you can also find some amazing information online:
There are also lots of apps which can help you identify where to find AED’s (Automatic External Defibrillator). They are often in shopping centres and train/tube stations.
Also in case, you were worried it is always worth having a go to save someone. You are protected by Social Action, Responsibility and Heroism Act 2015 so long as your intention is to help someone who is in danger.