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

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... tuberculomas, or abscesses ... Demyelinating disease caused ... #differential #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Pathophysiology ... of PCN allergy ... #differential #causes
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... - Gitelman SIGNS ... #Differential #Diagnosis ... #Algorithm #Pathophysiology ... #Nephrology #Chloride
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 ... PCR and CMV pp65 ... 50 or less: • Neurologic ... Retinitis (Most common cause
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... epidural hematoma • Infection ... (abscess, etc) ... Syndrome #MSK #pathophysiology ... #diagnosis #symptoms
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
resolution of infection ... hearing loss, nausea ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology