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

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... #Coagulation #Abnormal ... APTT #Laboratory #Hematology ... #Diagnosis #Workup
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 ... hemosiderin • PT/aPTT normal ... Diagnosis #Management #Algorithm ... #hematology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low normal ... • Low TSH, normal ... Hyperthyroidism: Work-up ... Can repeat labs ... Scan • High or normal
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
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
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 ... LFTs #Laboratory #Values ... Interpretation #diagnosis #hepatology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic Algorithm ... Normal range 11.5% ... Algorithm by Dr. ... #Diagnosis #Workup ... #Hematology #Microcytic
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
Acute Liver Injury - Differential Diagnosis Algorithm

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