27 results
Strongyloides Stercoralis Lifecycle
Free-Living Cycle:
1) Rhabditiform larvae in the intestine are excreted in stool. 
2) Development into
Strongyloides Stercoralis ... Strongyloides #stercoralis ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
) Fungal: • CD4 ... Penicillium marneffei Parasitic ... : • CD4 < 200 ... Strongyloides stercoralis ... failure, COPD, Lung
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
commonly liver and lung ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite
Strongyloides Stercoralis on sputum microscopy
As many suggested this was strongyloides stercoralis hyperinfection syndrome.
Infection is initiated by
on sputum microscopy ... Unlike other parasites ... travel back to lung ... Hyperinfection syndrome is caused ... #sputum #microscopy
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Abscess Pathophysiology ... Diagnosis: • CBC ... Coccidioides • Parasite ... #differential #causes
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Septic Embolism • Parasitic ... polyangiitis (GPA) / microscopic ... Malformation #Lung ... Diagnosis #Algorithm #Causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Count: Any CD4 ... Legionella: • Nausea ... factor • May cause ... possible in HIV PARASITIC ... Strongyloides stercoralis
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
circulation in the lungs ... lifecycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc ... #parasite
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