Your symptoms seem to be related to more of a panic attack. Discuss this with your doctor as there are medications that can help.
http://www.mayoclinic.com/health/panic-attacks/DS00338
http://www.mayoclinic.com/health/chest-pain/DS00016
The problem with your ear is what is most likely making you experience the vertigo (dizzy feeling)Go to the pharmacy and get a decongestant over the counter. That will help resolve the clooged ear.
If the symptoms do not resolve with the help of a secongestant, it is best that you make an appointment with a n ENT (ear, nose & throat specialist) for an accurate diagnosis and to rule out infection.
http://www.mayoclinic.com/health/dizziness/DS00435
http://www.mayoclinic.com/health/menieres-disease/DS00535
http://www.mayoclinic.com/hehttp://www.heartinfo.org/hrtatkang.htmlalth/vertigo/DS00534
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