12 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
neuromuscular disease, ↓ chest ... Shunt: Cardiac, Vascular ... , Alveolar • V ... #Algorithm #pulmonary ... #Aa #Gradient
On the left another patient with alveolar edema at admission, which resolved after treatment.
When you scroll
difference in vascular ... Clinical #Radiology #CXR ... #CHF #Alveolar ... #Pulmonary #Edema ... AlveolarEdema #RadiologyAssistant
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Diagnosis Framework ... Myopericarditis • Vascular ... - Tamponade Pulmonary ... Pleuritis • Alveoli ... : - CHF - Pneumonia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Age-Adjusted Gradient • Alveolar ... Hypoventilation Syndrome, Muscular ... UnremarkableLab #AA ... #Gradient #alveolar ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Thickening/Masses Chest ... Alveoli • Pneumonia ... Interstitium • ILD • CHF ... #Differential #Diagnosis
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
The pulmonary vascular ... during a period of CHF ... Clinical #Radiology #CXR ... #CHF #Cephalization ... Redistribution #RadiologyAssistant
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
increased width of the vascular ... Clinical #Radiology #CXR ... #CHF #Alveolar ... #Pulmonary #Edema ... AlveolarEdema #RadiologyAssistant
Previous normal chest x-ray (left) and CHF stage II with perihilar haze (right). On the left
Previous normal chest ... diameter of the pulmonary ... Clinical #Radiology #CXR ... Vascular #Engorgement ... #Thickening #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... filling of the alveoli ... #Clinical #Diagnosis ... #Radiology #CXR ... Consolidation #Causes #RadiologyAssistant
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
un lymphatic Diagnostic ... Chest x-ray: signs ... Kerley B lines, alveolar ... → no signs of CXR ... #heartfailure #diagnosis