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Left Atrium
 - The upper posterior border of the heart is formed by the left atrium.
Left Atrium - The ... formed by the left atrium ... #Anatomy #Radiology ... #CXR #Lateral # ... Atrium #Ventricle
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... risk factors Atrial ... right and left atria ... identify left atrial ... test for DM Atrial
On a chest film only the outer contours of the heart are seen.
In many cases we
Left Atrium - Most ... towards the left atrium ... . - Left atrial ... Right Atrium - Receives ... #Anatomy #Radiology
The azygoesophageal recess is the region inferior to the level of the azygos vein arch in
Esophageal disease Left atrial ... cyst #Clinical #Anatomy ... #Radiology #CTChest ... Azygoesophageal #Recess #RadiologyAssistant
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
origin within the atria ... (e.g. ectopic atrial ... Morphology = multifocal atrial ... Waves/Fibrillary = afib ... • Saw-Tooth = Atrial
In this illustration the lower lobe arteries are coloured blue because they contain oxygen-poor blood.
They have
towards the left atrium ... #Anatomy #Radiology ... #CXR #Lateral # ... PulmonaryVeins #RadiologyAssistant
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Paroxysmal AF, atrial ... flutter, or atrial ... Arrhythmias: • Atrial ... • Multifocal atrial ... #Palpitations #Cardiology
The location of the cardiac valves is best determined on the lateral radiograph.
A line is drawn
On this lateral ... enlargement of the left atrium ... #Clinical #Diagnosis ... #Radiology #CXR ... #Mitral #MVR #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... fluid or solid material ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison #RadiologyAssistant
Here we see a CT-image.
The azygoesophageal recess is displaced by lymph nodes that compress the left
compress the left atrium ... The final diagnosis ... #Clinical #Radiology ... #CTChest #Mediastinal ... #Displacement #RadiologyAssistant