34 results
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... phagocytophilum Pathophysiology ... within morulae Signs ... #Anaplasma #Infection ... #diagnosis #microbiology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
- Differential Diagnosis ... brain injury • Infectious ... Encephalitis, Brain Abscess ... Neurocysticercosis, PML ... Algorithm #Causes #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... symptoms/signs, ... nystagmus - Infection ... Cerebellar / Brainstem Abscess ... #Differential #Diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... toxo IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #differential #diagnosis ... causes #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... status, and focal neurologic ... tuberculomas, or abscesses ... #differential #diagnosis
Acute Otitis Media: Complications
Infection and inflammation of the middle ear
 - Prolonged obstruction of e. tube
Complications Infection ... air cells - Infection ... Complications #pathophysiology ... #symptoms #signs ... #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Pathophysiology ... Diagnosis: • ... Clindamycin in case of PCN
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
resolution of infection ... -> Petrositis (infection ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
CMV infection: virus ... of symptoms or signs ... Diagnosis: Quantitative ... PCR and CMV pp65 ... 50 or less: • Neurologic
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... • Abscess, bacteremia ... Leptospirosis Pel-Ebstein ... Brucellosis Faget's Sign ... #Differential #Diagnosis