71 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 ... , Pulmonary Embolism
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Aspiration, Flash Pulmonary ... Edema, Mucous Plugging ... Bronchospasm, Pulmonary ... Edema, Alveolar ... Embolism, Emphysema, Positive
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 ... mm Hg < PaO2 / FiO2
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
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Emphysema - Pulmonary ... Embolism - Acute Pulmonary ... Edema - Congestive ... #Diseases #Radiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... edema occurs because ... 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 ... #NonInvasive #Positive ... #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
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - ... Edema: • Accumulation ... edema (HAPE) generally ... dissolved in the PaO2/FiO2 ... #edema #causes