38 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... • CD4 < 200: PCP ... Fungal, AFB), TB PCR ... sputum, PCP DFA ... diagnosis #evaluation #differential
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... • Hantavirus PCR ... • Autopsy PCR ... management #treatment #microbiology
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Patients First Tier Microbiologic-Testing ... C. difficile PCR ... Norovirus PCR (Stool ... consider multiplex PCR ... Transplant #diagnosis #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... hemorrhage • CSF PCR ... Toxoplasma gondii PCR ... • JC-virus PCR ... Enhancement • PCR
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS infection ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... infectiousdiseases #treatment #microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS infection ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... infectiousdiseases #treatment #microbiology
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
Acute Diarrhea - Differential ... disease, >7 days 2) PCR ... recommended Infectious ... Acute #Diarrhea #Differential ... #Diagnosis #Infectious
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Drug-associated, PCH ... Internal (RBC) - Infections ... #Hemolysis #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis - Differential ... circulation - Infections ... Cold AIHA • PCH ... Extravascular #Differential