Hello everyone. I am excited to finally join the forums after much lurking. There is such good information here and I will truly appreciate any input and support that anyone has to offer! Symtoms: Occurring for 3 Months plus. Debilitating Lightheaded/dizzy/balance problems/confused when standing or walking for over 10 minutes. Completely gone after 5 minutes of sitting or laying. Moderate/severe weakness in limbs (worse on left side.) Moderate Loss of coordination in left hand. Muscle fasciculations in arms, legs, hands and feet. Dry mouth when standing or walking. Shortness of breath. Tests/Findings (tests and procedures performed in April, May, and June) Neurological exam: Weakness in left hand EMG: Normal Nerve Conduction Study: Normal Brain MRI: Normal Brain MRI (1 month later:) Normal Cervical Spine MRI: Normal Blood tests: All Normal Test Name : 25-Hydroxy Vitamin D, Total Test Name : B12 Level Test Name: CBC/Dif/Plt Test Name : Comprehensive Metabolic Test Name : Ferritin Test Name : Iron Binding Capacity Test Name : Lipid Panel Test Name : Testosterone Free Test Name : Testosterone, Total Test Name : TSH Soo, what do I have? I would love to hear opinions, suggestions, anything anyone has to offer. Thanks again!