Disorders of the Cerebrovascular System

Sep 24, 2016 by in NEUROLOGY Comments Off on Disorders of the Cerebrovascular System

Stroke type Percentage (% of each category) Ischemic 85 Carotid artery circulation 55 Vertebral/basilar artery circulation 12 Lacune 31 Other (vasculopathy, coagulopathy, sickle cell, hyperviscosity, vasculitis) 2 Hemorrhagic 14 Hypertensive…

read more

Common Neurologic Tests

Sep 24, 2016 by in NEUROLOGY Comments Off on Common Neurologic Tests

Frontal lobe Wechsler memory scale Milan sorting test Porteus maze test Parietal lobe Wechsler block design Benton figure copying test Temporal lobe Halstead–Reitan battery (parts) Milner’s maze learning task Intelligence…

read more

Infections of the Nervous System

Sep 24, 2016 by in NEUROLOGY Comments Off on Infections of the Nervous System

Fever Acute or subacute onset Headache Focal or diffuse symptoms and signs depend on location of infections (see Table 13.2) Elevated white blood count and erythrocyte sedimentation rate Increased frequency in…

read more

Disorders of the Spinal Cord and Vertebral Bodies

Sep 24, 2016 by in NEUROLOGY Comments Off on Disorders of the Spinal Cord and Vertebral Bodies

Fig. 7.1 Diagram of spinal cord and vertebral bodies Spinal cord dysfunction results from traumatic, inflammatory, demyelinating, ischemic, nutritional, malignant, and degenerative conditions. Diseases affecting the spinal cord usually present…

read more

Neurologic Examination

Sep 24, 2016 by in NEUROLOGY Comments Off on Neurologic Examination

Task Instructions Scoring Date orientation “Tell me the date?” Ask for omitted items One point each for year, season, date, day of week, and month 5 Place orientation “Where are…

read more

Disorders of the Vestibular System

Sep 24, 2016 by in NEUROLOGY Comments Off on Disorders of the Vestibular System

Vestibular system (25 %) Benign paroxysmal positional vertigo Meniere’s disease Vestibular neuritis Chronic labyrinthine imbalance from poorly understood causes Proprioceptive system (15 %) Distal sensory peripheral neuropathy (diabetes, alcohol, toxins)…

read more

Disorders of the Developing Nervous System

Sep 24, 2016 by in NEUROLOGY Comments Off on Disorders of the Developing Nervous System

Genetic mutations Mutations primarily affecting gray matter (neurons) Tay–Sachs disease Mutations primarily affecting white matter (myelin and their cells of origin) Adrenoleukodystrophy Krabbe disease Unbalanced chromosomes (from duplications or deletions)…

read more

Neurologic Complications of Alcohol and B12 Deficiency

Sep 24, 2016 by in NEUROLOGY Comments Off on Neurologic Complications of Alcohol and B12 Deficiency

Fig. 19.1 Time course of alcohol withdrawal Intoxication and Alcoholic Coma Ethanol readily crosses the blood–brain barrier , enabling the brain alterations to begin soon after drinking. Signs of intoxication…

read more

Disorders of Myelin

Sep 24, 2016 by in NEUROLOGY Comments Off on Disorders of Myelin

Fig 10.1 Pathologic specimen showing MS plaques ( arrows) (Courtesy of Mario Kornfeld, MD) The main physiologic effect of demyelination is to impede saltatory electrical conduction of nerve impulses jumping…

read more
Get Clinical Tree app for offline access