46 results
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... Lymphocytosis: Infection ... Drugs, Autoimmune, Bone ... Differential #Diagnosis #causes ... #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... procedures - Infection ... candidate) - Bone ... or if a primary hematologic ... #Workup #hematology
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Causes of Hyperferritinemia ... be used by the bone ... Infection -16% ... Infection - 46% ... Hematologic Malignancy
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
Corticosteroid Injection ... Corticosteroid #Injection ... clinical #video #physicalexam ... #procedure #msk ... orthopedics #sports #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... Drug induced - Bone ... SLE) - Viral infections ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - DDX: - Infection ... - Aneurysmal bone ... differential #diagnosis #msk ... #physicalexam
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... folate def - Bone ... infiltration: malignancy, infection ... Diagnosis #Framework #hematology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework Bone ... Leg Pain: • Infection ... entrapment • Infections ... lower #extremity #msk ... #physicalexam
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... • Bone marrow ... risk-stratification • Risks: infection ... Management #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Triggering factor (infection ... , Biological + Bone ... /ml, ↑ LDH • Bone ... Drugs, Unknown cause ... treatment #summary #rheumatology