Swansea criteria for acute fatty liver of pregnancy
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Clinical features
Nausea/vomiting
Abdominal pain
Polydipsia/polyuria
Encephalopathy
Laboratory findings
Bilirubin > 0.8 mg/dL [> 14 mcmol/L]
Blood glucose < 72 mg/dL [4 mmol/L]
Uric acid > 5.7 mg/dL [> 340 mcmol/L]
White blood cells > 11×10**6/L
Transaminases aspartate aminotransferase or alanine aminotransferase) > 42 IU/L
Ammonia > 27.5 mg/dL [> 47 mcmol/L]
Creatinine > 1.7 mg/dL [> 150 mcmol/L]
Coagulopathy prothrombin time > 14 sec or activated partial thromboplastin time > 34 sec)
Imaging findings
Ascites or bright-appearing liver on ultrasound
Histologic findings
Microvesicular steatosis on liver biopsy
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