10 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function ... Tests (TFTs) and Interpretation ... #Tests #TFTs #Interpretation ... endocrinology #diagnosis #laboratory ... #patterns #differential
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Lab patterns seen ... Metabolism A table ... See IEM schema for ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... #Laboratory #Patterns
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
Liver Function Tests ... Normal Values and Interpretation ... #Function #Tests ... #LFTs #Laboratory ... #Values #Interpretation
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... specific for the liver ... Hepatocellular Pattern ... to ≤ 5: Mixed pattern ... Hospital of Baltimore IM
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Differential Diagnosis Algorithm ... Hepatocellular Pattern ... dz Cholestatic Pattern ... Transaminitis #Algorithm
Hepatitis B (HBV) Serology

HBsAg - Presence denotes current HBV infection (chronic or acute)
HBV Core Antibody -
- Anti-HBcAg IgM ... Serology #Diagnosis #Laboratory ... #Interpretation ... #Table
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... evaluation of the pattern ... of liver blood ... LFTs #Abnormal #Algorithm
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
more time for the laboratory ... immunoglobulin M (IgM ... profile, including liver ... function tests ... Rheumatoid #Arthritis #laboratory
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
Multisystem (High Risk) Liver ... Birbeck granules (EM ... • Laboratory Tests ... to assess organ function ... organs like the liver
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... Hamilton, MD (EM ... chest radiograph pattern ... defaulting to a normal interpretation ... bleeding often from a liver