47 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Papules & Mucosal Lesions ... Septic Bursitis • Abscess ... #JointPain #MSK ... #Orthopedics #Causes
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... most likely to cause ... Mycobacterium #diagnosis ... #differential # ... infectiousdiseases
MAGIC DR – a handy mnemonic used to remember the potential causes of a cerebral ring
the potential causes ... Metastasis A – Abscess ... eg. tumefactive MS ... Radiation necrosis #Diagnosis ... MAGICDR #DRMAGIC #Differential
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Infectious: Legionella ... ß-blockers, CNS lesions ... #differential # ... diagnosis #infectiousdiseases
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... tuberculomas, or abscesses ... Demyelinating disease caused ... #differential # ... opportunistic #InfectiousDiseases
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Diagnosis Algorithm ... brain injury • Infectious ... Encephalitis, Brain Abscess
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Diagnosis • Inflammatory ... : MS, ADEM, NMO, ... nodosa, SLE • Infectious ... Neurosyphilis, PML ... #Diagnosis #causes
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Diagnosis Algorithm ... Hemorrhage • CNS Infection ... Intracranial Mass/lesion ... Hematoma • Abscess
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... nystagmus - Infection ... Cerebellar / Brainstem Abscess ... Space-Occupying Lesion ... #Causes