Test 2: SHARAWY SUCKS Flashcards
What is a sign that there is an infection in the peritracheal space?
wheezing noise/difficulty breathing
Sign of infection in periesophageal space?
dysphagia
Sign of infection in perivertebral space?
Stiff neck
Signs of mediastinum involvement with spread of infection?
- dilating pulsating veins (brachiocephalic vein)
- blushing of face (carotid pressure)
- unilateral swelling of left breast (lymphatic duct)
- Dyspnea (peritracheal)
- dysphagia (esophageal)
- fever, malaise, etc
What factors limit the spread of infection?
- lamina dura
- periosteum
- muscle attachments
- fascia
Are implants more or less likely to cause subcutaneous spread of infection?
-More, because their apices are beyond muscle attachments typically
What happens if an infection reaches facial spaces?
-spreads to eyelids, lips, cheek
What space(s) are above the mylohyoid? What are below?
- Above=sublingual
- Below=submandibular and submental
Where is the buccal space?
-beyond attachment of buccinator
Which space is dangerous because it could spread to the mediastinum?
Lateral/parapharyngeal spaces
What is a sign of infection of masticatory spaces?
-Trismus and pain on swallowing
What cervical/neck spaces communicate directly with the mediastinum?
-Perivertebral and perivisceral
What is Water’s position used to visualize?
Para nasal sinuses
What is tomography good for?
Overcome superimposition of body layers
What type of film do you use to show the ducts and any obstructions/stones in them?
Sialogram–inject radiopaque dye into parotid
In a bronchiogram, what type of dye is used to see the bronchial tree?
Water soluble radiopaque solution
How do you image the stomach and duodenum and colon?
barium meal
In a normal arthrogram of the TMJ, where is the dye supposed to move in an open position?
-moves from the inferior compartment to the posterior inferior recess
Which type of CT uses volumetric imaging, less dosage, less artifacts, and is cost effective?
Cone beam CT
