X-Ray Flashcards
Primary indication of X-Ray
Exclude lung pathology
In case of PTX, what should you tell the patient?
Expire/Inspire
Expire
How to analyze chest X-Ray?
Spiral, from outside to center
Chest X-Ray hidden areas
Apical zones
Hilar zones
Retrocardial zone
Zone below the dome of the diaphragm
How can we change the penetration of X-Ray?
Change the voltage
Change the current
Why are bones white on X-Ray?
Dense structures, attenuate a lot of photons
What will result in darker image?
High tube voltage
High tube current
In optimal chest X-ray during Inspiration, what should be the level of the diaphragm?
Post. arch of the 10-11th ribs
Why will the heart appear larger in AP CXR?
It is further away from the detector
Why is supine CXR is not recommanded?
Heart will appear larger
Pleural fluids will be spread out
Diaphragm is higher
Increased transparency on CXR can point us towards?
PTX
Lung abscess will appear on CXR as
Basket handle sign
What is a common cause of PTX (Not trauma)
central venous cannulation
Where should the endotracheal tube be placed?
2-3 cm above the tracheal bifurcation
When is free peritoneal air a normal finding?
After abdominal surgery
What imaging is more sensitive than X-Ray for free peritoneal air?
CT
CXR is not recommended in this following cases
Screening for TB/COPD
Pre-employment screening
Lung cancer screening
What is the right way of lung cancer imaging?
Low dose unenhanced CT
If we suspect rib fructure, what kind of image should we ask for?
Rib view
When should we get an abdominal X-Ray?
Suspected Ileus
Suspected bowel perforation
Foreigb body
Does a negative X-Ray rules out:
Suspected Ileus
Suspected bowel perforation
Foreigb body
No
Lateral decubitus view is also called
Frimann-Dahl view
GI contrast media for XR
Iodine
Barium
Which contrast media can cause peritonitis?
Barium
