35 results
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... workup, including BM ... • Nonmalignant hematologic ... Thrombocytosis #Platelets #Differential
Infections in Patients on TNF-alpha Inhibitors - Differential Diagnosis
 • Viral: VZV, Hep B, Hep C,
TNF-alpha Inhibitors - Differential ... HIV, EBV, CMV, HSV ... Legionella • Fungal: PJP ... Inhibitors #Infections #Differential
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Body Myositis (IBM ... Managment #algorithm #Rheumatology ... #Differential
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Splenomegaly - Differential ... Bacterial • Viral (EBV ... Spleen #Enlarged #Differential ... Algorithm #Causes #Hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Deficiency Anemia - Differential ... Achlorhydria: PPI ... Deficiency #Anemia #Differential ... Algorithm #ferritin #hematology
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminitis - Differential ... HAV, HCV, HEV, EBV ... Transaminases #hepatitis #Differential ... Diagnosis #causes #hepatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Lymphadenopathy - Differential ... Infectious • EBV ... Pancytopenia, WBC differential ... Lymphadenopathy #LAD #Differential ... Algorithm #Causes #Hematology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - Differential ... Infectious Mono (EBV ... #Fever #Rash #Differential ... #Diagnosis #dermatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Henoch-SchonIein Purpura Anti-GBM ... to Kidney: Anti-GBM ... involvement: Anti-GBM ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Viral: HSV, EBV ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology