16 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... negative culture Brain ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes ... #radiology #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... Encephalitis, Brain ... Abscess, Toxoplasmosis ... #Causes #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... • Most common cause ... Management: • ... Dermatitidis - Cryptococcus ... #differential #causes
Algorithm for the Management of Ventricular Tachycardia Electrical Storm
ES diagnosed (≥ 3 episodes of VT/ICD therapies
Algorithm for the ... Assess hemodynamic ... cardioversion Stable ... of reversible causes ... #Tachycardia #Algorithm
Causes of Secondary Headaches (without Red Flag Symptoms) - Differential Diagnosis Algorithm
Acute
 • Sinusitis
 • Dental
Causes of Secondary ... Sinusitis • Dental Abscess ... • Traumatic Brain ... Secondary #Headaches #Neurology ... #Causes
The rationale for aggressive treatment of generalized status epilepticus was described previously here.  In short,
permanent brain ... Aside from the brain ... epilepticus may cause ... #Management #Neurology ... Refractory #Seizures #Algorithm
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Aspergillus • Cryptococcus ... Septic Emboli Cause ... Treat underlying cause ... Complications: Abscess ... Endocarditis #diagnosis #management
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
status, and focal neurologic ... tuberculomas, or abscesses ... Demyelinating disease caused ... culture positive Cryptococcal ... lesions • CSF cryptococcal
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
valves • MRI brain ... in up to 30% of cases ... common, Aortic root abscess ... often seen • MRI brain ... Marantic #diagnosis #table