Quick sense of fright, cold, empty, wind or cold in my chest. What can it be?

[smklucas]

Hello doctors online. I'm 20, do not drink nor smoke and only way 30 minutes per day.

My problem is something like this:

Sometimes when I'm at rest (lying or sitting), I feel a kind of fright, cold, empty, wind or cold in my chest and spreads to the rest of the body. Feel for a few seconds and back to normal. It is a feeling that is hard to define.
Happens suddenly or when I think about her a lot. I know that when it happens, I think the heart has stopped or beat different. It's too bad.

Then my heart starts beating fast and I'm a little breathless, but soon feel nothing more.

Lately I feel chest pain, mild shortness of breath, tingling in hands and face, when I feel trapped inside somewhere. And sometimes I feel my heart give a stronger beat.

Detail, it all started during a trip to the USA to study English for a month. I went to the doctor during my stay there. Did electrocardiogram, x-ray and blood test and the only result was normal sinus arrhythmia.
In Brazil did a holter test, in 24 hours I had 5 supraventricular arrhythmias, also did exercise test, my beats reached 200.

I made these last exams before going to the USA.

I await a response carefully. I feel sad all the time. I ask for help from the bottom of my heart.

[Foggy2]

Don't worry about your English...it is fine.  I'm glad you are feeling a little better.  I agree with the above, that if you are still having symptoms (problems) you should see a doctor.

[erijon]

Please understand we are not doctors and are not qulaifed to give medical advice. Please make sure top seek medical advise from a trained medical professional.

[smklucas]

When I said "she", I said and strange feeling, hahaha.
I'm waiting for the appointment with the cardiologist yet. I have not scheduled exam.

All symptoms first appeared during my trip to the USA. He had never felt this before. I am currently in Brazil and I am better, but still feel some pain and sometimes that feeling.

Sorry if my English sounds weird, is that I use Google translator.

[Foggy2]

I'm very sorry to hear about your problems.  You sound depressed and sad.  Did all of this start after a sad or sudden event, perhaps with a girl?   You say that your symptoms are worse when you think about her.  Is this someone you miss or did something happen to her?

Your work ups seem fine from what you posted so far other than perhaps you are suffering from some anxiety over this.

Are you home now?  Are you seeing a cardiologist now?

While you are waiting for the results of the tests, try some relaxation techniques to help you relax and control the symptoms.  Examples are meditation, mindfulness, music therapy, pet therapy, massage, accupuncture, etc.  You can download apps, to electronic devices for free to teach you how to do some of these things and practice them at home for 15 - 30 minutes a day...and the more you practice the easier it is and the better outcome.  If you find that you cannot do it on your own, you may need professional help to help you relax, but try it on your own first.  Let us know how you do.