11 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... granulomatosis: • EBV-associated ... multiple lesions Infectious ... Syphilis • Pyogenic Abscess ... differential #diagnosis #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess - Clinical ... of PCN allergy ... #pulmonary #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Antimicrobial treatment ... hemorrhage • CSF PCR ... Toxoplasma gondii PCR ... • JC-virus PCR ... Enhancement • PCR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
emboli • Lung abscess ... characteristic features Clinical ... staining, NAA (PCR ... Tuberculosis Treatment ... Initiating Treatment
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Skin exam for infection ... Obtain EKG if: ... Change in clinical ... Recent PCI/stenting ... since elective PCI
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
emboli • Lung abscess ... characteristic features Clinical ... staining, NAA (PCR ... Tuberculosis Treatment ... Initiating Treatment
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
GrepMed Handbook Clinical ... Acute Diarrhea (>3 BM ... non-toxigenic • Stool PCR ... equivocal • CT A/P: Assess ... Bezlotoxumab 10 mg/kg
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
Similar symptoms occ ... antibodies or PCR ... or PenG 800K U IM ... Infectious Diseases ... microscopy #pathology #clinical
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Paraneoplastic effects of SCC ... Clinical Picture ... Miller Fischer and PCB ... Serologic and EMG ... precipitated by: Drugs, infection
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... virus • CMV • EBV ... • Common clinical ... rav7ks #CNS #Infections