60 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... amoxicillin) Oral ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Algorithm Relative - Normal ... Positive - Low/Normal ... Cyanosis without Pulmonary ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Diagnosis Algorithm Normal ... Myelodysplastic Syndromes ... Target Cells, Normal ... WBCs - Normal ... #Hematology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... cardiac disease • Normal ... • Heart size: Normal ... ECHO: • Normal ... chamber size • Normal
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... marrow) -dys- (abnormal ... old, ~10,000 new cases ... Myelodysplastic #Syndrome ... #treatment #hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... antiphospholipid syndrome ... Cirrhosis with portal ... Diagnosis #Framework #hematology
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
dermatophyte infection Caused ... meatballs appearance Management ... antifungals • Oral ... Tinea #Versicolor #Dermatology ... SkinRash #Diagnosis #Management
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... Lymphadenopathy Treatment: Oral ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
study (aPTT may be normal ... in mild cases) ... antigen (vWF:Ag) are normal ... Avoid meds that ... #treatment #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
some patients) Normal ... Myelodysplastic syndrome ... differential #diagnosis #causes ... #hematology