9 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... cases Drugs (antibiotics ... HepB, HepC Bacterial ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... Gram Positive Bacteria ... Algorithm #Causes #Hematology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... to 10 percent): antibiotics ... - Bacterial ... malignancies #Erythema ... Nodosum #Causes #Differential
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... Venous Thrombosis - Differential ... NBTE (marantic endocarditis ... Venous #Thrombosis #Differential ... Diagnosis #clots #hematology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
90%), subacute bacterial ... endocarditis (90% ... Mnemonic #diagnosis #differential ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
reactions • Erythema ... gangrenosum • Bacterial ... endocarditis ... #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Thrombocytopenia - Differential ... HCV, EBV, CMV - Bacterial ... valve replacement, endocarditis ... Thrombocytopenia #Differential ... Diagnosis #Framework #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... warmth, effusion, erythema ... : • Pain • Erythema ... endocarditis ... #Joint #pain #Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Meningitis - Differential ... 10 weeks after erythema ... - History of erythema ... stain: Previous antibiotics ... CNS #Infections #differential