48 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... INR), Prolonged PTT ... #Differential #Diagnosis ... #Algorithm #Causes ... #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 ... inhibitory drugs (e.g ... specific inhibitor (e.g ... #hematology #coagulation
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Algorithm Infectious ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Foreign Surface (e.g ... #Algorithm #Causes ... #Hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #diagnosis #differential ... #hematology #coagulation
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... life-threatening causes ... Pneumothorax • Pulmonary ... Initial workup: • EKG ... LET, lipase, PT. aPTT
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
- Differential Diagnosis ... Algorithm Benign ... • Metastases (e.g ... #Liver #Mass #Hepatology ... #Algorithm #Causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Algorithm Infection ... Solid Tumour (e.g ... #Algorithm #Causes ... #Hematology
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
• Provoked (e.g ... screening, CBC, aPTT ... Hypercoagulable #Workup #hematology ... #diagnosis #algorithm ... #hematology #VTE
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
factor activity (e.g ... clotting test (e.g ... PT and/or aPTT) ... #hematology #pathophysiology ... #hematology #laboratory