17 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
K Antagonists, Heparin ... to identify the cause ... of Prolonged APTT ... #prolonged #diagnosis ... #hematology #evaluation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... e.g. heparin ... #Prolonged #Causes ... #diagnosis #differential ... #hematology #coagulation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... (e.g. heparin contamination ... thrombin inhibitors, heparin ... #Prolonged #Causes ... #hematology #coagulation
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... - Differential Diagnosis ... HgbE, HgbC, etc. ... #Differential #Diagnosis ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... : INR/PT, aPTT(liver ... function test, ANA (e.g ... changes), high MCV anemia ... #hematology
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Diaphragmatic: • Hepatic ... • Subphrenic abscess ... #Algorithm #Hepatology ... #causes
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... INR < 2.3 - APTT ... #Coagulation #diagnosis ... #causes #treatment ... #management #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
is prolonged, but ... mixing study (aPTT ... normal in mild cases ... hemophilia type (e.g ... Management #treatment #hematology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... for alternative causes ... liver disease, Hepatic ... presentation: Hepatic ... #Algorithm #hepatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... hemorrhagic skin lesions ... - Hemolytic anemia ... #Differential #Diagnosis ... #hematology #rheumatology