23 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... ILD caused by inhalation ... lung disease (RB-ILD ... #ILD #diagnosis ... #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Limitation • Interstitial ... lung disease ... Malformation • Severe Pneumonia ... #Causes #Pulmonary
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis ... leaking out of pulmonary ... #ILD #Causes #Differential ... #Diagnosis #Algorithm
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... : Interstitial lung ... direction leads to hypoxemia ... • Causes: Pneumonia ... #Differential #Diagnosis
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Focal Alveolar: Pneumonia ... Hemorrhage • Impaired Diffusion ... : ILD, pHTN, Advanced ... #Diagnosis #causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Rare: pleural effusions ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... - Differential Diagnosis ... Alveoli • Pneumonia ... Interstitium ... • ILD • CHF
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... factor • May cause ... , pleural effusion ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... indicates unknown cause ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #ILD #Findings
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Disease, Interstitial ... Lung Disease ... #Hypoxia #hypoxemia ... #differential #diagnosis