24 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pathophysiology ... Lung Abscess - Clinical ... CXR upright or lat ... Differential Diagnosis ... #pulmonary #differential
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Syndrome #PUBS #pathophysiology ... #clinical #photo ... #differential #
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Pathogenesis and Clinical ... Subperiosteal abscess ... -> Brain abscess ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Figure 1: Corneal ring infiltrate in a patient with #Acanthamoeba #keratitis.  Acanthamoeba keratitis is a
Later stromal involvement ... #clinical #photo ... #Ophthalmology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Neutrophil (Normal) Differential ... likelihood of negative clinical ... #Bandemia #differential ... CBC #hematology #pathophysiology
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
While the pathophysiology ... commonly used to assess ... meningitis, it has low sensitivity ... Sign #Meningitis #Clinical
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... should be based on clinical ... tuberculomas, or abscesses ... • JC-virus PCR sensitivity ... CNS #Infections #differential
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Pathogenesis and clinical ... RPE -> Loss of photo ... MacularDegeneration #pathophysiology ... #ophthalmology
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
may cause severe clinical ... deficiency (thiamine) Late ... Syndrome #Nutrition #Differential ... #Diagnosis #Pathophysiology
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
the duodenum Clinical ... • Should be on differential ... that precedes a later ... Pathophysiology: ... undergo EGD - Sensitivity