39 results
CDC Recommended Laboratory HIV Testing Algorithm for Serum or Plasma Specimens

#HIV #Algorithm #Screening #Testing #HIVAIDS #Diagnosis
CDC Recommended ... Screening #Testing #HIVAIDS ... #Diagnosis #Laboratory
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
) Fungal: • CD4 ... Penicillium marneffei Parasitic ... : • CD4 < 200 ... Pulmonary #Infections #HIVAIDS ... #workup #diagnosis
Strongyloides fuelleborni Lifecycle
Free-Living Cycle
1) Eggs containing rhabditiform larvae passed in feces.
2) Rhabditiform larvae hatch in environment.
Parasitic Cycle ... become adults. 8) Parasitic ... intestine 9) Parasitic ... #diagnosis #pathophysiology ... infectiousdiseases #cdc
Blurry vision in a patient with HIV/AIDS
Anterior Segment:
 • Herpes zoster ophthalmicus
 • Keratitis (HSV, Staph,
seen with lower CD4 ... Blurry #vision #HIVAIDS ... #Differential #Diagnosis
Important causes of diarrhea in people with HIV/AIDS
Severity, chronicity/persistence will depend On CD4 count & sites
will depend On CD4 ... #Diarrhea #HIVAIDS ... #Differential #Diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... Chorioretinitis • Diagnosis ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... #differential #diagnosis
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
Leishmaniasis #LifeCycle #diagnosis ... infectiousdiseases #cdc ... #parasite
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
Parasitic Cycle: ... become adults. 8) Parasitic ... stercoralis #LifeCycle #diagnosis ... infectiousdiseases #cdc ... #parasite
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
Echinococcus #LifeCycle #diagnosis ... infectiousdiseases #cdc ... #parasite
Malaria - Plasmodium Life Cycle
1) Mosquito takes a blood meal (injects sporozoites)
Human Liver Stages
2) Infected liver
Plasmodium #lifecycle #diagnosis ... infectiousdiseases #cdc ... #parasite