Radiography Flashcards
(45 cards)
What could you make the patient drink in a contrast study?
Barium +
- radio opaque
More commonly iodine based water soluble contrast
Is a CT scan high or low dose x-rays?
High
Does MRI involve xrays?
No
How does MRI produce an image?
Magnetic field
What does nuclear medicine involve?
Radio isotopes - immiting radiation
What rays are used nuclear medicine?
Gamma rays
When would you take a lateral soft tissue of the neck?
Something stuck on throat
Not very useful
When would you take facial views (maxillofacial)?
Trauma
What xray do we use in a dental assessment?
OPT
Is a tomsillar abnormality in the oro pharynx or oral cavity?
Oropharynx
Where does a fish bone tend to get stuck?
Piriform fossa
Is an OPT a plane radiograph?
Yes
What gets blurred in an OPG?
In front and behind mandible
What can the blurring in an OPG cause?
Artefacts
Where is the ulcer here?
What classification is important in cancer?
TNM classification
Why not use barium in contrast studies?
If it gets elsewhere e.g, lungs can cause pneumonia
What is a sialogram?
test which uses x-rays and a contrast medium (x-ray dye) to produce detailed images of the salivary glands (parotid or submandibular glands)
What are the symptoms of a pharyngeal pouch?
Gurgling in the neck
Swelling
Discomfort
Undigested food vomiting after eating
What do you do if you suspect a pharyngeal pouch?
Laser therapy of cricopharyngeus muscle
- relieve symptoms
Why do you get a pharyngeal pouch?
Isotonic
Where has the perforation gone?
Airway and oesophagus
What is indicated here?
Shoulder replacement
Who would use a videofluroscopy?
Speech and language therapist
