Diagnostic Imaging - Alternative Imaging 1 & 2 Flashcards
What are alternative modalities of imaging?
Fluoroscopy
CT
MRI
Scintigraphy
How does fluoroscopy work?
Uses x-rays to form picture in real time
What are limitations of fluoroscopy?
Ionising radiation exposure
Fluoroscopy is used as a
Secondary test
Fluoroscopy is performed if rads are inadequate or equivocal for what 2 main conditions?
Collapsing trachea
Urinary tract diseases
What are some clinical indications of fluoroscopy?
Collapsing trachea
Swallowing disorders
Angiography
Urinary tract studies
Interventional radiology (stent placement, implant placement)
Oesophagus issues
What is slice thickness?
In CT
The thickness of the tissue that x-rays pass through on the way to the detector in the transverse plane