47 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... chest) • Low PiO2 ... Elevation, Low Fio2 ... Edema, Atelectasis ... #differential #diagnosis
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Edema, Mucous Plugging ... Edema, Alveolar ... Embolism, Emphysema, Positive ... #Differential #Diagnosis
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Emphysema - Pulmonary ... Edema - Congestive ... #Diseases #Radiology ... #Differential #Diagnosis
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
edema due to heart ... called cardiogenic edema ... non-cardiogenic edema ... edema due to a ... #Diagnosis #Radiology
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... edema must be present ... lung collapse, or pulmonary ... mm Hg < PaO2 / FiO2 ... Definition #Criteria #Diagnosis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Diagnosis Framework ... pulmonary edema ... pulmonary edema ... #diagnosis #cardiology
Non-Invasive Positive Pressure Ventilation
Indications: 
 • COPD exacerbation (↓ intubation, ↓ mortality), Cardiogenic pulmonary edema (↓
Non-Invasive Positive ... ), Cardiogenic pulmonary ... edema (↓ mortality ... #Ventilation #diagnosis ... #indications #pulmonary
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
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... edema #Diagnosis ... #Radiology #Pulmonary
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
CT to rule out pulmonary ... The diagnosis based ... was cardiogenic pulmonary ... edema. ... #Clinical #Radiology