157 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... and non-hematologic ... malignancies • Infection ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... Lymphocytosis: Infection ... • Monocytosis: Infection ... Differential #Diagnosis #causes ... #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Non-infectious (malignancy, rheumatologic ... Differential #Diagnosis #causes ... #Platelets #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... • Nonmalignant hematologic ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... Diagnosis #Algorithm #hematology
Coagulation Cascade and Anticoagulant Sites of Action

- Amy Chung, MD, MSc https://twitter.com/AmyChung

#AntiCoagulation #Cascade #Anticoagulants #Medications #Pharmacology
Amy Chung, MD, MSc ... #Pharmacology #Pathophysiology ... Mechanisms #DOAC #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Non malignant hematologic ... effect following treatment ... Diagnosis #Algorithm #Causes ... #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... eosinophilia (common causes ... drug reaction, infection ... glucocorticoid treatment ... Differential #diagnosis #hematology
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
Corticosteroid Injection ... Corticosteroid #Injection ... physicalexam #procedure #msk ... orthopedics #sports #rheumatology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... risk-stratification • Risks: infection ... only curative treatment ... Diagnosis #Management #treatment ... #hematology #oncology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... • Secondary Causes ... SLE) - Viral infections ... Differential #Diagnosis #hematology ... #rheumatology #