36 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... procedures - Infection ... K), H. pylori test ... thyroid function test ... #Workup #hematology
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
Non-HCV infectious ... vasculitis - Diagnosis, causes ... and management ... Cryoglobulinemia #Vasculitis #Rheumatology ... Cryoglobulinemic #Diagnosis #Management
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... • HCV, HBV Not ... #Diagnosis #hematology ... #rheumatology #
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Pseudotumor - Infectious ... • CMV • HIV ... History of Bleeding, Infection ... #Hematology #Oncology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... infiltration: malignancy, infection ... Thrombocytopenia #Differential ... Diagnosis #Framework #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Framework Non-Infectious ... rare), Idiopathic Infectious ... Paracoccidioides • Viruses: HIV ... #Diagnosis #rheumatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Neutropenia - Differential ... Antineoplastic Viral Infection ... Childhood viruses • HIV ... #Hematology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
fraction < 20% Differential ... Diaqnoses: • Infectious ... borrelia, Rubeola, HBV ... Disease #diagnosis #management ... #treatment #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 ... - Differential ... Knee #Effusions #causes ... #differential # ... diagnosis #msk #physicalexam
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Triggering factor (infection ... Virus (EBV, CMV, HHV8 ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology