Need some advice/insight on meditation, answer seeking
For background I'm a 44 year old female, not overweight but not exactly in shape, I do have a caffeine and nicotine addiction. On Thursday I went to the ER by ambulance with symptoms that I thought were a heart attack. I was driving and suddenly my heart started to race, I felt like I was doing to pass out, felt tightness in my chest, felt sweaty and it was hard to breath. I managed to drive home and called 911. By the time I got to the ER I was stabilized but still had a very fast heart rate. They kept me overnight for observation. All tests came back normal (lots of bloodwork, a CAT scan of my chest, echocardiogram, respiratory analysis). They said it was heart palpitations undetermined cause and made me an appointment to see a cardiologist in a week. Just so you know I AM PLANNING on following up with medical care and following medical advice with this. My problem is...I just sobbed my eyes out all night while sitting in that hospital room...wondering what does this mean, why is this happening, oh my god I've been wasting my life etc. My obvious thing is I'm going to cut out the coffee and cigs but I can't help but feel there is a deeper meaning than just physical. When I try to think about what that might be I get overwhelmed. So does anyone know of a good meditation, thought clearing exercise, getting in touch with my spirit guides type of exercise to help me. As I said, not looking for medical diagnosis just some tips, insight on what this might mean on a spiritual level....
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Mine started in my late 30's. Try Black Cohosh along with Meditation has well has what the Doctors say to do. But if your diognosis goes like mine has they won't have,do or say anything.
It seems to be menapausal.(Which they also don't say.) 
I came to that conclusion by talking to other women my age.
When I'm facing an illness, I always turn to Louise Hay's "You Can Heal Your Life" for ideas on the spiritual meaning associated with the symptoms, along with affirmations to meditate on. It doesn't always correlate, but it frequently does and it certainly offers a starting point to think about.
Heart problems: longstanding emotional problems. lack of joy. belief in strain and stress. "Joy. Joy. Joy. I lovingly allow joy to flow through my mind and body and experience."
Breathing problems: fear or refusal to take life in fully. Not feeling the right to take up space or even exist at times. "It is my birthright to live fully and freely. I am worth loving. I now choose to live life fully."
Now, even more important, I'm looking at what you wrote when you were sobbing. "oh my god I've been wasting my life, etc."
There may lie your answer. It sounds to me like you are do for a life overhaul. Aka: midlife crisis. How have you been wasting your life? What would you have done differently? What can you do now, and from now on, to make your life "not a waste?" If you had 6 months to live and money was not an object, what would you spend that 6 months doing? These are questions to meditate on. BTW, don't expect to "hear" the answer during the meditation. That just focuses your intent. The answers will pop up later, unexpectedly. 
It goes hand-in-hand with what the others wrote, btw. Menopause ain't called "The Change" for no reason, lol. Your life, its role and purpose, are fundamentally changing.
These are great vids.
