17 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... with lung nodules ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... stable residual lesion ... Abscess Differential ... #Abscess #pulmonary
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Papules & Mucosal Lesions ... Septic Bursitis • Abscess ... Articular - Acute ... Infectious #JointPain #MSK ... #Causes
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... of acute flaccid ... Differential diagnosis ... Multiple Sclerosis: CNS ... relapses, requires long-term
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
(Ischemia) - Acute ... blood vessels • Abscess ... Vascular #JointPain #MSK ... Diagnosis #Algorithm #Orthopedics ... #Causes
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... disorder (Cardiac, pulmonary ... Impairment: • Acute ... Infectious: Brain abscess ... EMG) studies • MRI
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Antimicrobial treatment ... Imaging: - MRI ... tuberculomas, or abscesses ... #Infections #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Culture (+): Acute ... Cerebral > Splenic, pulmonary ... Septic Emboli Cause ... Marantic (NTBE) Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Lymphadenopathy, CNS ... factor • May cause ... Infections #HIV #AIDS #pulmonary ... #differential #
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
nervous system (CNS ... diagnosis and treatment ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential