Have a good, working knowledge of what diabetes looks like, and various cardiac issues.
How do you expect people who are not doctors or nurses to acquire that?
I suppose the problem with that statement was 'good' and 'working'. It is far easier to simply memorize the symptoms and general knowledge, see what it looks like on assorted Youtube videos and browsing Figure 1, which is free and accessible to the public, than it is to acquire experience with it. This is the cheapest route, and getting that initial knowledge uses the same study techniques you would use to learn, say, microeconomics.
You don't need too much (EMT and CPR) to be certified to become an Emergency Room Technician, solely to volunteer (as opposed...
This thread is for asking any questions that might seem obvious, tangential, silly or what-have-you. Don't be shy, everyone has holes in their knowledge, though the fewer and the smaller we can make them, the better.
Please be respectful of other people's admitting ignorance and don't mock them for it, as they're doing a noble thing.
To any future monthly posters of SQ threads, please remember to add the "stupid_questions" tag.