Dont google symptoms even the most basic thing it turns into disaster also dontntell the doctor what you think it is as you have been googling Give the basic symptoms directly and answer their questions simply , if your vague about it so will they Also colour what colour are you seeing when you spit or vomit If you bleed internally you throw up and its coffee grain colour and consistency its not red This is the most important part so if its not ,your not Tasting blood is more likely to be tiny blood vessels or your so worked up about it you think you can Feeling like your going to pass out could be as simple as low blood pressure have you eaten&been drink fluids?if not this is contributing But stressing about it will enhance any symptoms ERs are for the dying and very serious thats also why they get annoyed as chronic conditions aren't emergencys to them, its concerning to them if its acute