13 results
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngitis - IDSA ... Bacterial • ... Primary acute HIV ... #diagnosis #differential ... #microbiology
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... galactomannan, HSV ... #CT #Patterns #Pulmonary ... ComputedTomography #Differential ... #Diagnosis #Chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... Diagnosis Framework ... tuberculosis, Bacterial ... , and fever BACTERIAL ... #AIDS #pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV ... /AIDS Patients ... Consolidation: Pyogenic bacterial ... disease: Pyogenic bacterial ... #diagnosis #chestCT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... /- High res CT chest ... and sputum cx (Bacterial ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
, Pneumonia and ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
- Diagnosis and ... • Pleuritic chest ... (LR + 2.7) • Hypoxia ... or CT Scan Bacterial ... #Pulmonary #Community
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pathogens: • Aerobic Bacteria ... Bacteria: - Bacteroides ... Lung Abscess Differential ... Lung #Abscess #pulmonary ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
CT) • Broncho-arterial ... cultures (sputum for bacteria ... , CCP, ANCA • HIV ... mycobacteria Treatment ... #differential #
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
was admitted for pneumonia ... coughed and now his ... drain - What’s the diagnosis ... Mucormycosis - Bacteria ... Fusobacterium Treatment