51 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... negative culture Brain ... endemic fungi - Parasitic ... Differential #Diagnosis #InfectiousDiseases
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
illness What: Key signs ... illness script (e.g. brain ... and lung lesions ... febrilepodcast@gmail.com #InfectiousDiseases
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
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
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Dizziness - Nausea ... Nightmares - "Brain ... Serotonin #Inhibitors #Pathophysiology ... Psychiatry #Diagnosis #Signs
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... The Tree-in-Bud sign ... It is caused by ... diagnosis #clinical #radiology ... #ChestCT #pathophysiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes ... #radiology #neurology
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
CT - Pathophysiology ... glass opacity lung ... often, GGO is caused ... pulmonary #ChestCT #Pathophysiology ... #Radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Abscess Pathophysiology ... Clindamycin in case ... Coccidioides • Parasite ... #differential #causes