1-5: Radiograph Interpretation Flashcards
What planes do CT scans produce images in?
-saggital
-coronal
-axial
How does an MRI work
The patient is placed in a large magnet and radio waves are passed through the body
the radio waves are emitted from the patient’s tissues and an image is magically produced from that
What color is acute blood on a radiograph?
white
What color is old blood on a radiograph?
gray to black
Where will proper tube placement be seen on a radiograph?
3-7 cm above the carina
What can elevation of the diaphragm indicate?
- atelectasis
- obesity
- pleural effusion
- pregnancy
- peritoneal fluid
- bowel obstruction
- poor inspiratory effort
What does “ground glass” on an x-ray indicate?
IRDS, ARDS, pulmonary edema, some pneumonia
What might you see on an x-ray of a patient who has a pneumothorax (collapsed lung)?
a black crescent over the apex of the lung
What might you see on an x-ray of a patient with CHF?
- cardiomegaly
- shaggy appearance around heart border
- Kerley-B lines on film from interstitial edema
- pleural effusions
What do black spots on a head CT indicate
infarct or old blood
What do white spots on a head CT indicate
acute blood
What is the mnemonic for systematically reading a head CT?
Blood Can Be Very Bad:
Blood
Cisterns
Brain
Ventricles
Bone
The diameter of the cardiac silhouette should be no more than ___% of the diameter of the chest
50%
What is the A to I approach to x-ray interpretation?
Airway
Bony thorax
Cardiac silhouette
Diaphragm
Esophagus
Fields (lung)
Gastric bubble
Hilum
Invasive devices and lines
