Imaging and Neurological PT Flashcards
(41 cards)
What are the 5 D’s and 3 N’s?
D’s
1. Dizziness
2. Diplopia
3. Dysphagia
4. Dysarthria
5. Drop Attacks
And
6. HA- worst ever could be impending CVA
7. Ataxia
3 N’s
8. Nausea/vomiting
9. Nystagmus
10. Numbness/paresthesia’s (face/extremities)
White matter is made up of _______ and is unmyelinated/ or myelinated?
axons
myelinated
Which common neurological condition affects white matter in the brain?
MS (Multiple Sclerosis)
Grey matter is made up of _____ bodies/ _______ and is unmyelinated or myelinated?
cell; dendrites
unmyelinated
Fluids: CSF, blood, and edema show up on a _____ and _____
MRI/CT
If too little or too much fluid is flowing through the brain this could cause what condition?
hydrocephalus (intercranial pressure)
CT stands for what?
Computed Tomography
A CT is computerized image reconstruction of multiple _____ of _______ and cannot be detected on an Xray
slices; tissue
CT Pro’s?
1.
2.
3.
4.
5.
fast
can pick up some soft tissue structures
can be done w/ medial implants
good for cortical bone anatomy
multiplanar views
CT Con’s?
1.
2.
3.
expensive
HIGH radiation exposure
accuracy of soft tissue demonstration depends on unit
You should order a CT in _______ situations such as trauma or stroke alert!
emergent
Contraindiactions to MRI:
1.
2.
pacemaker
medial implant
How to read a CT:
________ plane slices: pt is supine, so ANT. surface is at the top of each image slice
Looking upward at the anatomic structures from below so your _____ is the patient’s _____
________ plane slices: viewed from left to right
Transverse
right; left
Sagittal
When reading a CT start with a ______ image first to orient which cross section you are in
Scout
What is A and B’s position on the brain?
A. ANT
B. POST
Understanding the areas of damage on the imaging will help you anticipate what the patient’s ______ may be
symptoms
What does MRI stand for?
Magnetic Resonance Imaging
A diagnosis of MS could be found on a CT or MRI better?
MRI
An _____ is a method of exposing tissues to magnetic field and radiofrequency waves to detect properties of tissues and thereby produce images
MRI
MRI Pro’s?
1.
2.
3.
4.
5.
GREAT for soft tissue
NO radiation exposure
multiplanar views
tissue characteristics are highly visible
GREAT accuracy
MRI Con’s?
1.
2.
3.
4.
5.
6.
Slow
NO medial implants
NO pacemaker
Expensive
Claustrophobia
Less signal in cortical bone
MRI prioritized?
- To confirm _____ of CT
- ____-______ situations
- Minimizing _____ ______
- Clearer image of _____ _____ necessary
diagnosis
non-mergent
radiation risk
soft tissues
Swelling/Effusion will show up how on:
CT: ?
T1- W MRI: ?
T2- W MRI?
CT: gray/dark/hypodense
T1: low signal density (DARK)
T2: high signal intesnity (BRIGHT)
Fat will show up how on:
CT: ?
T1- W MRI: ?
T2- W MRI ?
CT: dark/gray/black
T1: high signal intesnity (BRIGHT)
T2: intermediate signal intensity (GRAY)
