12 results
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Differential Diagnosis Algorithm ... • Thrombus (e.g ... Non-Malignant • Amyloidosis ... Myeloproliferative disorders (eg ... #Causes #Hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Pre-analytical cause (e.g ... inhibitory drugs (e.g ... specific inhibitor (e.g ... with systemic amyloidosis ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Nonspecific inhibitors e.g ... to one factor e.g ... inhibitory drugs e.g ... with systemic amyloidosis ... #differential #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g ... #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
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... : - Neuro: AMS ... hydration - Hyperkalemia ... unless worrisome EKG ... diagnosis #management #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Rheumatic fever • Amyloidosis ... neuropathy - SLE, Amyloidosis ... disease, Vasculitis (e.g ... Macroglossia - Amyloidosis ... differential #diagnosis #rheumatology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Differential Diagnosis Algorithm ... Liver Failure • Hypercalcemia ... Neoplastic / Hematologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
underlying disease (eg ... • Infection (eg ... Hypofibrinogenemia • ↑ PT ↑ PTT ... Diagnosis #Management #Hematology ... #Rheumatology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Differential Diagnosis Algorithm ... Increased Requirement (e.g ... Myelodysplastic Syndromes ... Differential #Diagnosis #Algorithm ... #Causes #Hematology