1474 results
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
screening (in absence ... Hypercoagulable #Workup #hematology ... diagnosis #algorithm #hematology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
• Cancer (In absence ... Algorithm #Causes #Hematology
Monoclonal Gammopathy of Undetermined Significance (MGUS) - Summary Framework

Hematologic disorder characterized by the presence of either
Summary Framework Hematologic ... sub-types based on the hematologic ... IgD or IgE) • Absence ... immunofixation • Absence ... #Significance #hematology
Complement Deficiency Testing Algorithm
 • Normal CH50 and AH50 AND High suspicion for complement deficiency
 •
deficiency • Low or absent ... AH50 • Low or absent ... Normal CH50 Low or absent ... Testing #Algorithm #hematology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
(CD41/CD61) is absent ... lX/V (CD42b) is absent ... Platelet #disorders #hematology
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
deficiency) • Absence ... differential #diagnosis #hematology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- 5% RS cells absent ... pathophysiology #Hematology
Von Willebrand Disease Classification
Type 1 (Accounts for ~3/4 of cases):
 • Defect: Quantitative defect (i.e. not
or near total absence ... Types #diagnosis #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Splenomegaly • Low or absent ... management #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH) Diagnostic Criteria - 2004 vs 2009

At least three of the following: 
 -
biopsy - Low/absent ... Diagnosis #Criteria #Hematology