15 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Penicillium marneffei Parasitic ... : • CD4 < 200 ... Pulmonary #Infections #HIVAIDS ... diagnosis #evaluation #differential ... #CD4
Important causes of diarrhea in people with HIV/AIDS
Severity, chronicity/persistence will depend On CD4 count & sites
Important causes ... will depend On CD4 ... #Diarrhea #HIVAIDS ... #Differential # ... Diagnosis #Causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... Lesions #Brain #differential ... #diagnosis #causes
Drug-Induced Edema
Drug-induced edema is caused by many drugs & can coincide with or worsen pre-existing peripheral
Drug-induced edema is caused ... Edema #Medication #Causes ... #Differential # ... Pharmacology #Pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Diagnosis: • CBC ... Coccidioides • Parasite ... Lung Abscess Differential
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... salmonella, ...), Parasites ... Drugs, Unknown cause ... 100 mg/m2) : in case
IDSA Recommendations for Preventing and Treating Bacterial Enteric Infections in HIV-AIDS
Preventing Bacterial Enteric Illness:
 • Antimicrobial
• In rare cases ... difficile Infection (CDI ... opportunistic #infections #HIVAIDS ... #pharmacology
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
a blood meal (passes ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite #american
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Count: Any CD4 ... factor • May cause ... possible in HIV PARASITIC ... AIDS #pulmonary #differential
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
viruses, fungi, parasites ... present Ag to CD4 ... proliferate and differentiate ... Humoral #Immunity #pathophysiology