Do I have anxiety?

Do I have anxiety? I have a mild stutter, as I'm sure most of us do. My heart usually feels very fast, irregular and heavy in most situations, I get very shaky and out of breath, when I try to control my breathing it can lead to a sore chest. I've had some twitches too but for what feels longer than a month, I've had some consistent twitching in both of my eyes which is apparently linked to anxiety and I'm yawning a lot when I'm not tired which is also supposedly linked to anxiety. I can't see a doctor and this feels like it isn't worth a doctors appointment as my heart has already been confirmed to be healthy. If this is anxiety, what can I do? It shouldn't be this bad, right?