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

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
Tests (LFTs) - Normal ... Values and Interpretation ... prothrombin time across labs ... #Interpretation ... #diagnosis #hepatology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low normal ... • Low TSH, normal ... Can repeat labs ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... ±AKI Initial labs ... hemosiderin • PT/aPTT normal ... Diagnosis #Management #Algorithm ... #hematology
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Returning Traveler’ algorithm ... artery biopsy • Lab ... values supporting ... hematologic malignancies
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis Algorithm ... Hemoglobin: • Males ... ), TEMPI (VEGF normal ... Differential #Diagnosis #Algorithm ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Differential Diagnosis Algorithm ... Drug-induced AIHA - Abnormal ... Prosthetic heart valves ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Chemistries - Interpretation ... of LFTs R-value ... - If both are normal ... of ALP • Near normal ... #interpretation
THROMBOELASTOGRAPHY (TEG)
General Principle
• A small cuvette is rotated to simulate sluggish venous flow and stimulate clot
2 mm • K - K value ... Diagnosis #Management #CriticalCare ... #Hematology #Interpretation
Normal Thromboelastogram - Specific parameters represent the 3 phases of the cell-based model of haemostasis: initiation,
Normal Thromboelastogram ... propagation -R value ... ) #Diagnosis #Hematology ... Thromboelastogram #TEG #Normal ... #Interpretation
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... Malignancy (e.g. hematologic ... Cytopenias • Cardiac valve ... , Serositis Labs ... flares • CRP normal