Arteriosclerotic internal carotid & vertebro basilar arteries predominantly the left vertebrobasilar segment appearing tortuous with slight prominence?

Vertrebrobasilar. Were you started on full anticoagulation (warfarin/coumadin)? If so the bleeding gums could be secondary to therapy. The vertebrobasilar arterial blockage cannot be repaired surgically.You might be experiencing: dizziness, loss of balance, and incoordination.