Camrt exam stuvia - Study guides, Class notes & Summaries

C-spine flexion / extension views assess what? - ACCURATE ANSWER-Anterior and posterior movement or lack of movement due to an injury What does ERCP stand for? - ACCURATE ANSWER-Endoscopic retrograde cholangiopancreatography What is an ERCP used for? - ACCURATE ANSWER-To investigate biliary tree, CBD, gallbladder and pancreas Ball catchers view is good to assess what? - ACCURATE ANSWER-Early stages of Rheumatoid Arthritis Low blood pressure and dizziness due to standing up too quickl...

Abscess (brain): definition and imaging appearance on T1, T2, CE, and DWI - ACCURATE ANSWER-Collection of pus. Mass effect and extensive surrounding edema. T1: hypointense to grey matter T2: hyperintense to grey matter with surrounding edema. CE MRI: ring-like enhancement DWI shows an abscess having a high DWI signal with corresponding low signal on the ADC map. Avascular Necrosis (AVN) - ACCURATE ANSWER-T1: necrotic area is hypointense T2: hyperintense bone marrow edema Ischemic ...

Angle 10 degrees caudad - ACCURATE ANSWER-What is the central ray for an AP axial coccyx? Endoscopic Retrograde Cholangiopancreatography; used to diagnose biliary and pancreatic pathologies when the biliary ducts are not dilated and no obstruction exists in the ampulla - ACCURATE ANSWER-What does ERCP stand for and what is it done for? AP motility of the cervical spine, or lack of movement due to trauma or disease - ACCURATE ANSWER-What do Flexion/Extension views of the Cervical Spine asse...

When preparing to add antiseptic iodine to a sterile field. Why must some of the liquid be poured into the sink before adding the remainder to the sterile container? a. to wash the container's lip to prevent contamination b. to prevent splashing of the liquid onto the sterile tray c. to allow the technologist to determine the consistency of the liquid d. to remove any solidified particles from the liquid - ACCURATE ANSWER-a. to wash the container's lip to prevent contamination (this ma...

Is SNR proportional or inversely proportional to voxel volume - ACCURATE ANSWER-Proportional 3 fields used in MRI - ACCURATE ANSWER--static magnetic field -TVMF (gradient field) -RF field 3 main types of magnets used - ACCURATE ANSWER--Superconducting (most common_ -Resistive -Permanent FDA limits for the 3 fields in MRI - ACCURATE ANSWER-Static field: 2T TVMF: 3T/s RF field: - does not cause an increase in temperature of more than .5 deg C or any body part of 1 deg C -SAR does...

Acute (early) radiation syndromes occurs - ACCURATE ANSWER-With a large dose (100 R or more) to the whole body Long term radiation effects will occur - ACCURATE ANSWER-Years later (25-30 years) There are 2 categories of long term effects - ACCURATE ANSWER-Genetic and somatic Genetic Effects of Radiation - ACCURATE ANSWER-changes that are passed on to the next generation due to radiation Somatic effects of radiation - ACCURATE ANSWER-Damages that occur to the person that received the ...

How far away must the operator stand from the xray tube if not covered with lead? - ACCURATE ANSWER-3 meters 90% of man made radiation to the population is related to? - ACCURATE ANSWER-Medical Radiography and Dental For each peak xray voltage, what lead equivalent is required? 100kV or less (o-100) Between 101kV-149kV 150kV or greater (150+) - ACCURATE ANSWER-0-100kV = 0.25mm of lead Greater than 100kV but less then 150kV = 0.35mm of lead 150kV or greater = 0.50mm of lead Wh...

Why include ant ST on lat Cspine - ACCURATE ANSWER-Pre verterbal fat stripe- widening=#, mass, inflammation Air gap technique - ACCURATE ANSWER-reduces scatter, increases contrast IP 10-15 cm away from pt mAs increase 10% for every cm gap Not effective with high kV why expiration with pneumo - ACCURATE ANSWER-reduces lung vol, pneumo occupies larger area- easier to see Spondylolisthesis - ACCURATE ANSWER-forward displacement of a vertebra commonly occurs after # (pars) Spondylolys...

what is tort? - ACCURATE ANSWER-civil wrongdoing that can be intentional or unintentional examples of tort - ACCURATE ANSWER-assault (threat to harm), battery (carry out threat, ie preforming exam w/o consent/ on wrong patient What is negligence? - ACCURATE ANSWER-failure to use ordinary or reasonable care Examples of negligence - ACCURATE ANSWER-- patient is injured when railings left down, imaging wrong patient/part, failure to ask NCP Respondeat Superior - ACCURATE ANSWER-"Let th...

This observation can be tested by an objective standard - ACCURATE ANSWER-objective this is ones opinion (how they describe the pain or situation) - ACCURATE ANSWER-subjective Primary assessment includes these 4 things - ACCURATE ANSWER-Airway Breathing Circulation Consciousness (ABCs) This is the inability to speak - ACCURATE ANSWER-Aphasia if your visually acuity is less than or equal to 20/200 - ACCURATE ANSWER-legally blind if your visual acquit is between 20/70 and 20/...