"Bad care "

My appointments keep getting cancelled 2 days before due to go been onto pals which just came up with same excuses doctors are on holiday or standing in for a different doctor 8 times mines been cancelled since April last one was on 29th June sent text to say cancelled and another one been give for 1/7 then today been told that was cancelled too I was supposed to be given any appointment as priority but still keep cancelling them and need to see one urgently since April as blood pressure keeps dropping to 80/40 they don’t care !!!!