99 results
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Time (PT) - Often Elevated ... (PTT) - Often elevated ... • Underfilled test ... Thromboplastin #laboratory ... #hematology #diagnosis
Interpretation of Components of the CBC (Complete Blood Count)

#CBC #Interpretation #CompleteBloodCount #Hematology #Differential #Diagnosis #Laboratory
CompleteBloodCount #Hematology ... #Differential # ... Diagnosis #Laboratory
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... • Clotting tests ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated ... Diagnosis Algorithm ... INR #Algorithm #Hematology ... #differential # ... diagnosis
Bayesian combination of 4T score with Heparin PF4 antibody titer to obtain the post-test probability of
obtain the post-test ... PF4Antibody #Bayesian #Diagnosis ... #Hematology #HITT ... Thrombocytopenia #Laboratory
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
The differential ... diagnosis for an ... elevated MCHC ( ... #MCHC #Differential ... #Diagnosis #Laboratory
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Tests (LFTs) - ... Differential Diagnosis ... #LFTs #Differential ... #Diagnosis #hepatology
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Abnormal Coagulation Tests ... Abnormal #APTT #Laboratory ... #Hematology #Diagnosis
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Elevated Transaminases ... Transaminitis - Differential ... Diagnosis • ... #Diagnosis #causes ... #hepatology
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function Tests ... Thyroid #Function #Tests ... endocrinology #diagnosis ... #laboratory #patterns ... #differential