14 results
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Diseases - Pneumonia ... Pneumothorax - Effusion ... Glass Opacity - Chronic ... #Patterns #Lung ... #CXR #XRay #ChestCT
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Thickening/Masses Chest ... AlveoliPneumonia ... Interstitium ... • ILD • CHF
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Lung Disease - ... progressive dyspnea ... Beomycin • Acute or Chronic ... #Lung #Diseases ... #ILD #Causes #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
History: cough, dyspnea ... Rare: pleural effusions ... , Chronic eosinophilia ... pneumonia, Pulmonary ... #ILD #diagnosis
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Patients • Diffuse Interstitial ... Influenza, Lymphocytic interstitial ... , Pulmonary alveolar ... Actinomyces spp., NHL; Lung ... #diagnosis #chestCT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
phagocytic function of alveolar ... Abdominal pain, chronic ... , pleural effusion ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Bronchitis • Chronic ... Parenchyma: • Pneumonia ... • Cancer • Interstitial ... lung disease Vasculature ... Pleura: • Pleural effusion
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea ... - Differential Diagnosis ... Pulmonary/Chest ... Asthma attack, ILD ... , Pneumonia, Aspiration
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Disease, Interstitial ... • Diffusion Defect ... , Interstitial Lung ... #differential #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... filling of the alveoli ... this is nodular interstitial ... lung disease, that ... #Clinical #Diagnosis