30 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Weakness, Loss of Chest ... Elasticity (flail chest ... Elevation, Low Fio2 ... Edema, Atelectasis
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Emphysema - Pulmonary ... Edema - Congestive ... #Diseases #Radiology ... Lung #CXR #XRay #ChestCT
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... edema. ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... edema must be present ... on a chest radiograph ... lung collapse, or pulmonary ... mm Hg < PaO2 / FiO2
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Honeycombing: Idiopathic Pulmonary ... HiRes #HighRes #Chest ... Differential #Diagnosis #pulmonary ... #radiology
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - ... Edema: • Accumulation ... dissolved in the PaO2/FiO2 ... infiltrates on chest ... scattered crackles, chest
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... Hemoptysis, Peripheral edema ... : - ANCA-positive ... high resolution chest
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... edema; ARDS, Metastatic ... disease, Pulmonary ... differential #diagnosis #chestCT ... #radiology
Chest X-Ray Interpretation Checklist
Outline ALL bones
Check soft tissues
Assess heart borders
Is density, behind the heart the same
Chest X-Ray Interpretation ... compare hilum position ... radiologistpage #Chest ... Interpretation #Checklist #radiology ... #diagnosis #pulmonary