37 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 ... Drugs (antibiotics ... HepB, HepC Bacterial ... Differential #Diagnosis #Dermatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... Gram Positive Bacteria ... #Hematology
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... artery aneurysm: Causes ... arterial clot, ... APLS:PLT ↓ HEMATOLOGIC ... Diagnosis #clots #hematology
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... vessicles in this case ... superimposed bacterial ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Infection • Bacterial ... Diagnosis #Algorithm #Causes ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... gangrenosum • Bacterial ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Hand, Foot, and Mouth Disease: A febrile illness (caused by Coxsackie Virus) associated vesicle formation on
febrile illness (caused ... by Coxsackie Virus ... Images #Clinical #Dermatology ... Vesicle #UCSDH #Photo
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Infectious • Bacterial ... Spherocytosis • Acquired causes ... Diagnosis #Algorithm #Causes ... #Hematology
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
associated with bacterial ... endocarditis, in this case ... Photo credit, Josh ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... 90%), subacute bacterial ... #differential #hematology