10 results
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
(LFTs) - Normal ... Values and Interpretation ... prothrombin time across labs ... #Interpretation ... #diagnosis #hepatology
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
FUO) - Further Workup ... Returning Traveler’ algorithm ... artery biopsy • Lab ... values supporting ... hematologic malignancies
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
- Interpretation ... of LFTs R-value ... - If both are normal ... of ALP • Near normal ... #interpretation
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low normal ... Hyperthyroidism: Work-up ... Can repeat labs ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Infiltrative Labs ... - elevation Labs ... - If both are normal ... #hepatology
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
wasting PBC Labs ... • ALT & AST normal ... • Bilirubin - Normal ... cholangitis #diagnosis #workup ... #hepatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
pneumonitis • Diffuse ... enteropathy, and diffuse ... Cytopenias • Cardiac valve ... vein thrombosis Hematologic ... , Serositis Labs
C-REACTIVE PROTEIN
Discovered by Tillett & Francis in 1930. First identified as a substance in the serum
synthesized by the liver ... Lab values vary, ... Interpretation of ... than 0.3 mg/L: Normal ... 0.3 to 1.0 mg/L: Normal
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... that a one-off value ... Better call hematology ... exogenous, EPO levels: normal ... #workup #hematology
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
-70 y/o • 2/3 Males ... mainly in the oral ... common - GI tract, liver ... Oncology #Diagnosis #Workup ... #Hematology