ACLF, acute on chronic liver failure; AFLP, acute fatty liver of pregnancy; AKI, Acute kidney injury; ALF, Acute liver failure; ALFED, Acute Liver Failure Early Dynamic; ALT, alanine transaminase; ANA, antinuclear antibody; AP, Alkaline phosphatase; APTT, activated partial thromboplastin time; ASM, alternative system of medicine; ASMA, antismooth muscle antibody; AST, aspartate transaminase; ATN, Acute tubular necrosis; ATP, adenosine triphosphate; ATT, anti-TB therapy; AUROC, Area under the receiver operating characteristics curve; BCS, Budd-Chiari syndrome; BMI, body mass index; CBF, cerebral blood flow; CBFV, cerebral blood flow volume; CE, cerebral edema; CHBV, chronic HBV; CLD, chronic liver disease; CNS, central nervous system; CPI, clinical prognostic indicator; CSF, cerebrospinal fluid; DAMPs, Damage-associated molecular patterns; DILI, drug-induced liver injury; EBV, Epstein-Barr virus; ETCO2, End tidal CO2; GRADE, Grading of Recommendations Assessment Development and Evaluation; HAV, hepatitis A virus; HBV, Hepatitis B virus; HELLP, hemolysis; HEV, hepatitis E virus; HLH, Hemophagocytic lymphohistiocytosis; HSV, herpes simplex virus; HV, hepatic vein; HVOTO, hepatic venous outflow tract obstruction; IAHG, International Autoimmune Hepatitis Group; ICH, intracerebral hypertension; ICP, intracerebral pressure; ICU, intensive care unit; IFN, interferon; IL, interleukin; IND-ALF, ALF of indeterminate etiology; INDILI, Indian Network for DILI; KCC, King's College Criteria; LC, liver cirrhosis; LDLT, living donor liver transplantation; LT, liver transplantation; MAP, mean arterial pressure; MHN, massive hepatic necrosis; MPT, mitochondrial permeability transition; MUAC, mid-upper arm circumference; NAPQI, n-acetyl-p-benzo-quinone-imine; NPV, negative predictive value; NWI, New Wilson's Index; ONSD, optic nerve sheath diameter; PAMPs, pathogen-associated molecular patterns; PCR, polymerase chain reaction; PELD, Pediatric End-Stage Liver Disease; PPV, positive predictive value; PT, prothrombin time; RAAS, renin­angiotensin­aldosterone system; SHF, subacute hepatic failure; SIRS, systemic inflammatory response syndrome; SNS, sympathetic nervous system; TB, tuberculosis; TCD, transcranial Doppler; TGF, tumor growth factor; TJLB, transjugular liver biopsy; TLR, toll-like receptor; TNF, tumor necrosis factor; TSFT, triceps skin fold thickness; US, ultrasound; USALF, US Acute Liver Failure; VZV, varicella-zoster virus; WD, Wilson disease; Wilson disease (WD); YP, yellow phosphorus; acute liver failure; autoimmune hepatitis (AIH); drug-induced liver injury; elevated liver enzymes, low platelets; sALI, severe acute liver injury; viral hepatitis