The Hachinski ischemic score (HIS) is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative, vascular or multi-infarct, and mixed type.
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Diagnostic Criteria for Mixed Connective Tissue Disease (MCTD)
Mixed connective tissue disease (MCTD) has signs and symptoms of a combination of disorders, primarily lupus, scleroderma, and polymyositis. Many people with this uncommon disease also have Sjogren’s syndrome. For this reason, MCTD is sometimes called an overlap disease.