20 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Penicillium marneffei Parasitic ... : • CD4 < 200 ... : • CD4 > 200 ... failure, COPD, Lung ... #HIVAIDS #workup
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Diagnosis and Workup ... Algorithm Acute ... Emboli, Fungal Infection ... , NTB, Fungal, Parasitic ... Disease #Diagnosis #Algorithm
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... lesions • 80% with lung ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... differential #diagnosis #causes
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
commonly liver and lung ... #Echinococcus #LifeCycle ... infectiousdiseases #cdc ... #parasite
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
circulation in the lungs ... Hookworm #Intestinal #lifecycle ... infectiousdiseases #cdc ... #parasite
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... lumbricoides #Ascariasis #LifeCycle ... infectiousdiseases #cdc ... #parasite
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Disease by CD4 ... Count: Any CD4 ... Seasonal influenza CD4 ... Blastomycosis CD4
Loiasis - Loa loa Life Cycle
1) Fly (genus Chrysops) takes a meal (L3 larvae enter bite
blood and in the lungs ... Loiasis #Loaloa #LifeCycle ... infectiousdiseases #cdc ... #parasite
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
intestinal tapeworm infection ... #TaeniaSolium #LifeCycle ... infectiousdiseases #cdc ... #parasite
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Triggering factor (infection ... →Activation of CD8 ... salmonella, ...), Parasites ... Still disease, Infection ... Drugs, Unknown cause