7 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... result with no clinical ... • History of BCG ... False-negative TST result may ... immunocompromised (e.g
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... " on the ECG. ... • This is a clinically ... AVBlock #cardiology #ekg ... #ecg #diagnosis
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
cut-offs defined in clinical ... formulations (e.g ... beta-glucans (e.g ... admin of mold-active ... Galactomannan #diagnosis
Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating.
fibrillation (AF or A-fib ... and irregular beating ... Occasionally there may ... #Clinical #MedStudent ... #EKG #AtrialFibrillation
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... formulations (eg ... >90% (In most clinical ... concurrent admin mold-active ... Tazo, Amox/Clav (may
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
inflammatory disease (e.g ... Chemistry profile (e.g ... (to support a diagnosis ... ANA and RF (if clinical ... laboratory #workup #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Putrid sputum/sour-tasting ... CXR upright or lat ... Prevotella • Fungal ... • Vasculitis (e.g