112 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 ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential ... Meningitis, Cerebellar abscess ... • Cogan's syndrome ... Amy Chung, MD, MSc ... #Differential #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Infection: Cellulitis, Abscess ... : - Epidural abscess ... #Leg #pain #differential ... lower #extremity #msk
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Neutrophils - Differential ... Bacterial • Abscess ... #Neutrophils #Differential ... #Hematology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... ), Epidural abscess ... Guillain-Barre syndrome ... #differential #
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Membrane Disorder - Differential ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... #Differential # ... Diagnosis #Algorithm #causes
Right Upper Quadrant Pain
Liver:
 - Infectious: Acute viral hepatitis, Liver abscess
 - Non-infectious: hepatitis (Alcohol, Medications),
hepatitis, Liver abscess ... ), Budd-Chiari syndrome ... Subdiaphragmatic abscess ... #RUQ #Pain #differential ... #diagnosis #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... ) • Behcet's syndrome ... ulcerative #skinrash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Marfan's Syndrome ... blood vessels • Abscess ... Vascular #JointPain #MSK ... #Differential # ... #Orthopedics #Causes
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... westermani, PNA, Lung abscess ... Osler-Weber-Rendu syndrome ... #Hemoptysis #Differential ... Diagnosis #pulmonary #causes