30 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain ... Infections #HIV #AIDS
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Diagnosis: ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... #ILD #diagnosis ... #management
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... Patients • Diffuse Interstitial ... Actinomyces spp., NHL; Lung ... #differential #diagnosis ... #chestCT #radiology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest ... ARDS 3. ... Organizing Pneumonia ... #Pulmonary #ChestCT ... radiology #CTChest #diagnosis
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
on Lung POCUS ... sliding: Pulmonary ... edema, ARDS, interstitial ... lung disease, interstitial ... NOT definitively diagnose
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... failure, COPD, Lung ... Lymphocytic or lymphoid interstitial ... /- High res CT chest ... HIVAIDS #workup #diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS ... , Pneumonia and ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Thickening/Masses Chest ... Alveoli • Pneumonia ... • ARDS • COPD ... Interstitium ... • ILD • CHF
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Limitation • Interstitial ... lung disease ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... immunofluorescence, PCR ... #Lung #Infections ... #Differential #Diagnosis ... #Chest