20 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... APTT Step 1: Is ... K Antagonists, Heparin ... ISNeducation #Abnormal ... #diagnosis #hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... hemoglobin/hemosiderin, Hepatic ... hemosiderin • PT/aPTT ... normal • DAT ... Management #Algorithm #hematology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... #Hepatic #Ultrasound ... #differential #diagnosis ... #comparison #table ... #appearance #hepatology
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver Lesions ... Arterial Phase, Portal ... #differential #diagnosis ... #comparison #table ... #appearance #hepatology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... unfractionated heparin ... cause e.g. heparin ... #Causes #diagnosis ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... thrombin inhibitors, heparin ... amyloidosis #Abnormal ... #Causes #diagnosis ... #differential #hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Medications - Heparin ... • Acute DIC - Septic ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia - Normal ... INR < 2.3 - APTT ... < 1.5 x normal ... #Coagulation #diagnosis ... treatment #management #hematology
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver Lesions ... #Hepatic #MRI # ... #differential #diagnosis ... #comparison #table ... #appearance #hepatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... hemorrhagic skin lesions ... Decreased Support Of Dermal ... #Differential #Diagnosis ... #hematology #rheumatology