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Jaundice, Excretion下降, normal ALT/ AST, abnormal ALT / AST, Chronic:…
Jaundice
Chief complaint
Lab
Blood
Bilirubin elevation + others
Hepatocellular(ALT/AST相比ALP明顯上升)
Viral
ANA,SMA,SPEP(+)
毒物或藥物
history / other tests
Alcoholic liver disease
AST>ALT (AST/ALT>2)
AST, ALT<300U/L
GGT>1000U/L
Ultrasound
Hepatosplenomegaly
Fatty liver
ALT>AST
Posthepatic (ALP有明顯上升)
Ultrasound
膽道擴張
MRCP
Biopsy
膽道沒擴張
血清學
AMA(+)
Isolated elevation of bilirubin
Indirect (direct<15%)
Inherited syndrome
Gilbert's syndrome
Crigler-Najjar syndrome
Pre-hepatic
Ineffecteive erythropoiesis
Hemolytic disoder
Drug
Rifampin
Probenecid
Direct (direct >15%)
Inherited disorder
Dubin-Johnson syndrome
Rotor symdrome
Urine
color
紅茶色
Case3
ultrasound
biopsy
Klatskin's tumor
mechanism
Feces
colors
灰白
mechanism
腹圍變大
Case 1
腦病變
語無倫次
雙下肢水腫
上腹壓痛
Case 2
CT
amylase elevation
necrotic pancretits
lipase elevation
冒冷汗
食慾不振
皮膚癢
common symptom: yellow skin & icteric sclera
灰白色
Referred pain : 右後背 肩胛骨
PE
Percussion
dullness
liver span
ascites
Ausculation
Bruits
Bowel sound
Inspection
Abdominal
surgical incision
history
superficial vein engorgement
liver cirrhosis
Icteric sclera
Yellow skin
carotenoderma (no icteric sclera)
jaundice (with icteric sclera)
Palpation
rebounding tenderness
peritonitis
RUQ tenderness
cholecystitis
History
Gallstone
Alcohol
Medication
Hepatitis viruses
Pathophysiology of hyperbilirubinemina
Direct damage to the liver cells
uptake / conjugation/ secretion皆 下降
hepatic cause
damage or obstruction of small bile duct
toxin
drugs
unconjugated bilirubin 和 conjugated bilirubin都上升/黃疸合併深色尿液
hepatitis
viral infection
cirrhosis
metabolism
Gilbert's syndrome
cholestatic jaundice
更多紅血球溶血//liver unable to uptake
Production上升/Uptake下降
hemolytic/pre-hepatic problem
sickle cell crisis
unconjugated bilirubin上升
blood transfusion
hemolytic drugs
hemolytic anaemia
Bilirubin has been processed in the liver but is unable to pass out of it.
Excretion下降
post hepatic cause
cholangiocarcinoma
conjugated bilirubing;上升/黃疸合併深色尿液和灰白色糞便
biliary strictures
cholangitis
gall stones
parasites
pancreatitis
normal ALT/ AST
abnormal ALT / AST
Chronic: AST>ALT
Acute: AST<ALT