53 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Penicillium marneffei Parasitic ... Cryptococcal Ag, Urine ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Syndrome #PUBS #pathophysiology ... #clinical #photo ... #differential # ... diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... multiple lesions Infectious ... • Nocardia • Parasitic ... Lesions #Brain #differential ... #diagnosis #causes
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... salmonella, ...), Parasites
Loiasis - Loa loa Life Cycle
1) Fly (genus Chrysops) takes a meal (L3 larvae enter bite
spinal fluid, urine ... Loaloa #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc ... #parasite
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Diagnosis of Miliary ... Opacities: • Infectious ... - Disseminated Parasites ... #diagnosis #pulmonary ... #CXR #clinical
Schistosoma Life Cycle - Schistosomiasis
1) Eggs shed from infected human: in feces, in urine
2) Eggs hatch
: in feces, in urine ... Schistosomiasis #diagnosis ... #pathophysiology ... infectiousdiseases #cdc ... #parasite
Onchocerciasis - Onchocerca volvulus Life Cycle
1) Blackfly (genus Simulium) takes a blood meal (L3 larvae enter
peripheral blood, urine ... OnchocercaVolvulus #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc ... #parasite
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... should be based on clinical ... #differential # ... diagnosis #AIDS
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
immune compromise Clinical ... present or signs of infection ... Pathophysiology: ... KUB or abdominal ultrasound ... present • UA and Urine