25 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... - Differential Diagnosis ... antibiotics as a cause ... negative culture Brain ... #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 ... and Lung Lesions ... Coccidioides • Parasite ... #Differential #Diagnosis ... #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... 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 ... lesions • 80% with lung ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain ... #causes #radiology
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... Algorithm Hyperacute ... Neoplasm-related (brain ... Infectious (fungal, TB, parasitic ... #Algorithm #Causes
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
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Diagnosis Algorithm ... Septic Embolism • Parasitic ... #Differential #Diagnosis ... #Algorithm #Causes
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