94 results
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
ß-D-glucan: • Most fungi ... and pneumocystis False ... inconsistently in other fungi ... • False positives ... #Fungi #Fungal
Positive J-Sign - Maltracking Patella on Knee Physical Exam

The J sign correlates with poor patellar tracking
Positive J-Sign ... Exam The J sign ... #Positive #JSign ... #J #Sign #Knee ... clinical #video #msk
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... component of many fungi ... breakthrough IFI in HM • False ... recipients, CGD pts • False ... Sara Dong #Fungal
Growth Patterns - Molds, Yeasts and Dimorphic 
 • Mold - Arial mycelia and vegitative mycelia
Cullen Lilley, MS ... #microbiology #fungal ... #fungus
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Specificity and False ... component of many fungi ... BAL samples • False ... closely related fungi ... Galactomannan #Fungal
(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 ... Specificity 87%-100% False ... blood • Certain fungus ... 3)-ß-d-glucan False ... glucan #betad #fungal
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
of patella then ask ... - Positive sign ... Patellofemoral #msk
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
Sulcus Sign on Shoulder ... Positive sulcus sign ... iamDrHamilton #Sulcus #Sign ... clinical #video #msk
Myelopathy - Injury to the entire spinal cord - Signs and Symptoms
 • Ataxia (early sign)
Ataxia (early sign ... weakness (late sign ... signs #symptoms #msk
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 ... bacterial/viral/fungal ... Bud #TreeInBud #Sign