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Causes of Dementia (MIV IMD) (Metabolic (Minerals (Calcium Defn…
Causes of Dementia (MIV IMD)
Metabolic
Carbohydrate
Repeated episodes of Hypoglycemia
Fat / Cholesterol
Protein / AA
Vitamins
B12 Defn - Pernicious anemia, SACD
FA Defn
Thiamine Defn / Wernicke - Korsakoff
Niacin Defn - Pellagra
Minerals
Wilsons Dz -> (Copper excess, Hepato - Lenticular degeneration)
Iron Def - > Anaemia
Magnesium def
Calcium Defn
Osteomalacia
Surgical resrection of bowel -> reduced fat absorbtion -> low Ca++ absorption
hypoparathyroidism
Calcium Excess
Parthyroid tumor
Porphyrins
Hepatocerebral Degeneration
Electrolytes
Acid Base
Water
May be present as a comorbidity
certain patterns suggest underlying disease
Hyponatremia, Hyperkalemia, Low BP - Adrenal Insuff
Hypernatremia, Hypokalemia, Incr BP, Alkalosis - Cushing
Hormones
Pitutary
Insuffiency
Acromegaly
SIADH
Central DI
Thyroid
Hyper
Hypo
Parathyroid
Hyper (High Ca++)
Hypo (Low Ca++)
Pancreas
Disorders / Iatrgenic conditions that can lead to repeated episodes of hyopglycemia
Adrenal
Insuff (Addisons)
Excess (Cushing)
Oxygen
Environmental O2 Insuff
Pulmonary disease -> Poor oxygeneation of the blood
Reduced O2 carrying capacity -> Anemia or CO poisioning
Forward pump failure
End Organ Failure
Uremia, Liver Disease
Infective
Bacterial
Meningitis (Purulent, TB, Syphilis)
Viral
Encephalitis (HSV, HIV), PML, ADEM
Fungal
Yeast, Histoplasma
Protozoal
Cyctecercosis
Vascular
Vascular dementia - Large vessel Dz, Lacunar Dz, Small Vessel Dz
Vasculitis - SLE, RA, PAN, TA
Aortic Arch Dz
Aneurysm - AV, Berry, SAH
Intoxications
Heavy metals
Lead, Mercury, Manganese
Organic Compounds
Late consequences of OP Poisioning
Inorganic Compounds
Later consequences of CO poisioning
Drugs
Mechanical
Trauma
Tumor - Local, Metastatic and Remote Effects
Hyrdocephalus
Strangulation or Late Consequences of HIE
Degenerative
Primary Neurological
Alz
Picks
LBD
CJD
HD
PD, PPS
Spinocerebellar Degeneration
Demyleinating Dz - Like MS, Diffuse Sclerosis
Some Muscular dystrophies
Late onset neuronal storage disorders
Tay Sachs
Kufs
MLD
Niemann Pick