9 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Abscess - Differential ... as a cause of a negative ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Diagnosis and Workup Algorithm ... Infections: Lung abscess ... Septic Emboli, Fungal ... Infections: TB, NTB, Fungal ... , Parasitic, Viral
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
VZV, CMV, HIV • Fungal ... tuberculosis, M. abscessus ... , M. leprae • Parasitic ... #dermatology #InfectiousDiseases ... Diagnosis #viral #fungal
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Differential Diagnosis Algorithm ... Infectious - Other: • Fungal ... eg.malaria) • Other parasites ... Skin Infection Abscess ... Differential #Diagnosis #Algorithm
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Differential Diagnosis Algorithm ... Osteomyelitis • Occult abscess ... Infection: • Fungal ... malaria) • other parasites ... Differential #Diagnosis #Algorithm
(1,3)-β-d-glucan
Abundant cell wall polysaccharide, found in most fungi, except cryptococci, zygomycetes (mucor, rhizophus) and blastomyces.
Sensitivity 64%-93%;
found in most fungi ... 87%-100% False Negatives ... blood • Certain fungus ... #diagnosis #laboratory ... #microbiology #infectiousdiseases
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Differential Diagnosis Algorithm ... Granuloma • Abscess ... Infection: • Fungal ... Septic Embolism • Parasitic ... Differential #Diagnosis #Algorithm
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
disc • Epidural abscess ... Mumps, WNV - Parasite ... TB - Spinal abscess ... hematogenous spread - Fungal ... differential #algorithm
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
• Cell wall component ... of many fungi ... Almost always negative ... closely related fungi ... FalsePositives #Laboratory