Colons add clarity to writing.
Using colons effectively can show your reader that you have a high understanding of English punctuation.
The simplest way to use a colon is at the beginning of a list. In the example above, a colon appears before a list of nutritional content the patient requires in their diet. It could also be a list of symptoms or medication or ways of supporting the patient.
The colon comes at the start of the list and each item in the list is separated by a comma with the final two items separated by ‘and’. Here’s another example.
It would be appreciated if you could demonstrate: a safe way to mobilise with crutches, shower and get up from a standing position.