18 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... tuberculomas, or abscesses ... Demyelinating disease caused ... #AIDS #opportunistic
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... Febrile illness + ARDS ... +/- diarrhea Diagnosis ... #Hantavirus #diagnosis ... management #treatment #microbiology
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
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
CMV infection: virus ... Diagnosis: Quantitative ... PCR and CMV pp65 ... 50 or less: • Neurologic ... Retinitis (Most common cause
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
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
Intraoperative Sepsis - Guidelines for Crises in Anaesthesia

Severe sepsis (hypotension persisting after initial fluid challenge of
≥ 4mmol.l-1 if infection ... within 1 h (seek microbiology ... central and arterial access ... output to further aid ... Intraoperative #Checklist #Diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Differential Diagnosis ... toon • Spinal infection ... /abscess • Ankylosing ... #causes #neurology
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
HIV dementia Pathophysiology ... early stages of infection ... Diagnosis: MRI ... disorder #dementia #AIDS ... #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Etiology: • Pathophysiology ... : • Infection, ... the underlying cause ... until cause identified