Others (In Murtagh)

Jaundice

Jaundice is the yellowish discoloration of the skin, sclera, and mucous membranes resulting from elevated serum bilirubin levels (hyperbilirubinemia) exceeding approximately 2–3 mg/dL.

Murtagh Diagnostic Strategy

CategoryDiagnosisKey DiscriminatorCantonese Question / FindingProbability
Probability DiagnosisViral hepatitis (HBV acute flare / HAV / HEV) [9]Acute onset, malaise, tea-coloured urine, ↑↑ALT > AST, +ve serology「最近有冇食過生蠔?有冇接觸過肝炎病人?」~25%
Gallstone disease (choledocholithiasis)Intermittent jaundice, RUQ colicky pain, ± fever [3]「肚痛係咪一陣一陣,右上腹嗰度?」~20%
Alcoholic liver disease / MASLD [7]Chronic heavy alcohol use or metabolic syndrome; AST > ALT (2:1 ratio in ALD)「你每日飲幾多酒?飲咗幾多年?」~10%
Serious Not To MissMalignant biliary obstruction (CA pancreas head, cholangiocarcinoma) [3][10]Painless progressive jaundice + LOW/LOA + palpable GB (Courvoisier sign)「黃疸係咪越嚟越深?有冇瘦咗?肚有冇痛?」~5%
HCC on background CLDKnown HBV carrier + LOW + hepatomegaly「你知唔知自己有冇乙肝帶菌?」~3%
Acute cholangitisCharcot's triad: RUQ pain + fever + jaundice (surgical emergency) [4]「肚痛加發燒加黃疸,三樣一齊有冇?」~2%
Acute liver failureEncephalopathy + coagulopathy (INR > 1.5) + jaundice; no prior liver disease「有冇意識模糊?有冇流牙血或者瘀傷?」<1%
PitfallsDrug-induced liver injury (DILI)New drug/TCM in preceding weeks; ↑ALT「最近有冇食過新藥、中藥或者補品?」~5%
Gilbert syndromeMild unconjugated hyperbilirubinaemia during fasting/illness; normal LFT otherwise「係咪每次攰或者唔食嘢先至黃?」~3%
Haemolytic anaemiaLemon-yellow jaundice, normal-coloured urine (no bilirubinuria), dark stools, splenomegaly [2][11]「小便顏色正唔正常?有冇頭暈心跳?」~2%
MasqueradesDecompensated cirrhosis (any cause)Ascites, spider naevi, palmar erythema, gynaecomastia「肚有冇脹大?」~5%
Drugs (paracetamol OD, statins, anti-TB)Temporal relationship to drug「有冇食過大量止痛藥?」~5%
Trying to Tell Me Something?Fear of liver cancer / fear of contagion to family / worry about alcohol dependency / work/financial stressHidden agenda: "my father died of liver cancer"「你最擔心係咩嘢?有冇嘢想同我講多啲?」~10%

Case Report Form Answer Builder

References

On this page

No Headings