29 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
- Differential Diagnosis ... negative culture Brain ... SAPHO, Sweet's Syndrome ... #Differential #Diagnosis ... #InfectiousDiseases
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 #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... hypervirulent), Lemierre's syndrome ... Coccidioides • Parasite ... #Differential #Diagnosis ... #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... hypervirulent), Lemierre's syndrome ... Coccidioides • Parasite ... #Differential #Diagnosis ... #causes #infectiousdiseases
Intestinal Hookworm Life Cycle
1) Eggs in feces
2) Rhabditiform larva hatches
3) Development to filariform larva in environment
4)
circulation in the lungs ... Intestinal #lifecycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... lesions • 80% with lung ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
and migrate to lungs ... Ascariasis #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Penicillium marneffei Parasitic ... failure, COPD, Lung ... < 200: Pulmonary ... HIVAIDS #workup #diagnosis
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent Brain ... and Lung Infections ... spp, Lemierre syndrome ... tuberculosis, NTM • Parasite
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
subcutaneous tissues, brain ... TaeniaSolium #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite