12 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
of Abnormal Coagulation ... Tests - Prolonged ... #Coagulation #Abnormal ... APTT #Laboratory #Hematology ... #Diagnosis #Workup
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
Liver Function Tests ... (LFTs) - Normal ... Values and Interpretation ... prothrombin time across labs ... #diagnosis #hepatology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... • Low TSH, Low normal ... • Low TSH, normal ... Can repeat labs ... Scan • High or normal
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
wasting PBC Labs ... • ALT & AST normal ... • Bilirubin - Normal ... #diagnosis #workup ... #hepatology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... ±AKI Initial labs ... Direct antiglobulin test ... hemosiderin • PT/aPTT normal ... #hematology
Normal Thromboelastogram - Specific parameters represent the 3 phases of the cell-based model of haemostasis: initiation,
Normal Thromboelastogram ... propagation -R value ... from start of test ... #Coagulation #Thromboelastogram ... #TEG #Normal #Interpretation
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
of LFTs R-value ... - If both are normal ... • Albumin • Coagulation ... of ALP • Near normal ... #differential #Hepatology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
If the value is ... levels - Usually normal ... products or D-dimer - Normal ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Thrombocytopenia - Abnormal ... deficiency - Abnormal ... deficiency Work ... Complete blood count coagulation ... Fecal occult blood test
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... - If both are normal ... extrahepatic source - Tests ... function may be abnormal ... #hepatology