Diseases Flashcards
Seen in alcoholics
B1 Thiamine deficiency
Wernicke-Korsakoff
B1 Thiamine deficiency: TPP
Impaired PDC—> high blood pyruvate and a-ketoglut
Name the two forms
Wet Beriberi: heart and circulation; peripheral edema
Dry Beriberi: muscles, NS, paralysis
B3 Niacin deficiency
Diarrhea, dementia, dermatitis ,death
Pellagra
B3 Niacin deficiency
Nystagmus, photosensitivity, ataxia, nystagmus, scaly red skin
Impaired AA (tryptophan) absorption; defective transporter for neutral/non polar (ala, Val, there, leu, trypt)
—> serotonin, melatonin, niacin
Hartnup
B6 pyidoxine deficiency
Cannot incorporate iron into heme
Seen in lead poisoning: irritability, abdominal pain, headaches
Tx: Ca-Edta, dimercoprol
Sideroblastic anemia
B7 biotin deficiency
Multiple carboxylase deficiency
B9 folate or B12 cobalamin deficiency
Megaloblastic anemia
Vit D calcitrol deficiency
Poor growth, muscle weakness, bowed legs, thick wrists/ankles, steatorrhea, low sunlight
Tx: vit D3 + Ca2+ citrate
Rickets
Vit C abscorbic acid deficiency
Poor wound healing, gingivitis, bleeding gums
Tx: citrus fruits
Scurvy
Low A-Smase
Cannot breakdown sphingomyelin: ceramide, phosphorylcholine
High SM in liver, spleen, CNS, BM
Hepatosplenomegaly, neuro damage, CHERRY red spot
Niemann-Pick Disease
Mom is Rh-; fetus is Rh+
Abs cross placenta
Increased risk factor 2nd pregnancy
Erythroblastosis Fetalis
Hemolytic Alcoholism; liver cirrhosis Increased free cholesterol on RBC--> lyes Poor prognosis Tx: liver transplant
Spur Cell Anemia
Autosomal rec
Defect in transporter for dimer AA: COAL
Kidney stones, renal cholic
Cystinuria
Autosomal rec
Defective CFTR (Cl- active transport outside cell)
High Cl- in airway epith cells–> Na+ compensates–> high H2O inside cell
Thicker, dry mucous, high susceptibility respiratory bacteria infection
Cystic Fibrosis
Low PFK-1
Exercise induced muscle weakness, hemolytic anemia, high bili and jaundice
Tarui Disease
No insulin–> decreased pancreatic beta cells (IS)
Hyperglycemia: >/ 126 fast; >/ 199 fed
T1 Diabetes
Insulin Resistance–> beta cells lose fxn bc don’t respond
T2 Diabetes
Premature RBC death
Pyruvate kinase
High lactate dehydrogenase unconjugated bili
Hemolytic Anemia
Mutation in GLUT2
Cannot uptake gluc, fruct, galact
Failure to thrive, hepatomegaly, nephropathy, bloating, resistant rickets
Tx: vit D + phosphate + uncooked corn starch
Fanconi-Bickel Syndrome
Cannot make new sugar
Hypoglyc, lactic acidosis, ketosis, hyperventilation
F1,6BPase