Congestive heart failure

I made a post about heart failure a few months back. The ER doctors told me I don’t have heart failure but I still need to see a cardiologist. Would they tell me if it’s congestive heart failure if I had that? Or is congestive and heart failure the same thing? I thought they were different. My family is saying the symptoms I’m having sounds like congestive heart failure and I’m so scared. I’m not Mormon but my kids dad side if the family is and they are sending missionaries to give me a blessing before I have my cardiologist appointment Monday