9 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Diagnosis and Workup ... Algorithm Acute ... #lesion #pulmonary ... #differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... failure, COPD, Lung ... #workup #diagnosis ... #evaluation #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Opacities: • Infectious ... - Select Bacteria ... Nocardia, zoonotic infections ... #diagnosis #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... of the affected lung ... cultures (sputum for bacteria ... Bronchoscopy Laboratory ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Pathogens: • Aerobic Bacteria ... • Anaerobic Bacteria ... #Abscess #pulmonary ... #differential #
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... Legionnaires disease • Pulmonary ... Disorders: • Bacterial ... • Toxins • Infection ... #diagnosis #Laboratory
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... verrucous) • Lung ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... • Persistent bacteremia
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
surfaces, Albumin, Infections ... with certain bacteria ... in BAL does not differentiate ... result in + as long ... FalsePositives #Laboratory
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... Cerebral > Splenic, Pulmonary ... • Persistent bacteremia ... #Endocarditis #Differential