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Left sided numbness, tingling sensation, high pulse rate, sweating. MRI, MRA test done. Causes?

Hello, I am 21 years old a male and for the past moth or so my left side of my body has been going numb and tingling sensation, I went to the doctor and they could not find anthing wrong with me after conducting an MRI and MRA test. Today it occured again but this time my heart felt weird and was beating fast and I began to sweat, can you tell me what may be wrong with me?
Asked On : Sun, 4 Nov 2012
Answers:  1 Views:  90
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General & Family Physician 's  Response
Hello. I'm sorry you're not feeling well.
I presume the imaging studies you referred to here were MRI and MRA of your brain. The fact that these studies were normal is reassuring, but there could be something going on outside your brain that's causing your problems. Your symptoms are suggestive of a paroxysmal cardiac dysrhythmia (an abnormal heartbeat that occurs intermittently), which your doctor wouldn't detect unless it occurred while he or she was examining you. Certain dysrhythmias can interfere with adequate blood flow to the brain and trigger neurological symptoms such as numbness, dizziness, confusion, fainting or even seizures.
I'd recommend you return to your doctor. Make sure you report your racing heart; further evaluation, including ambulatory heart monitoring and an echocardiogram, might be needed here. (Ambulatory monitoring entails wearing a small, pager-like device for a period of time to "capture" unusual heart activity; an echocardiogram is simply an ultrasound of your heart).
I hope that helps, and good luck!
Answered: Sun, 4 Nov 2012
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