71 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... cases: INR/PT, aPTT ... (liver disease, ... #Workup #hematology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
INR), Prolonged PTT ... #PPT #PT #INR #Differential ... #Diagnosis #Algorithm ... #Causes #Hematology ... #coagulation #disorders
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Diagnosis Algorithm ... /uL Initial Workup ... iron studies, PT/aPTT ... Differential ... #hematology #workup
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
Hypothyroid • Liver ... Macrocytic #Anemia #differential ... #diagnosis #algorithm ... #hematology #workup
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Diagnosis Algorithm ... Sequestration Disordered ... Rare • Drugs (e.g ... Iatrogenic) • Liver ... #Causes #Hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Neutrophils - Differential ... Diagnosis Algorithm ... Solid Tumour (e.g ... • Metabolic disorders ... #Causes #Hematology
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
RA Rheumatic disorders ... of Liver & Lung ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential ... #diagnosis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... • Reduced liver ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Early liver disease ... Reduced liver synthesis ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
• Provoked (e.g ... - No other workup ... screening, CBC, aPTT ... #hematology #diagnosis ... #algorithm #hematology