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What is a C-arm?
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What are the 3 types of C-arm equipment?
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C-arm operations
C-arm operations and OR Procedures
| Question | Answer |
|---|---|
| What is a C-arm? | A fluoroscopy unit that allows real time dynamic images of studies. |
| What are the 3 types of C-arm equipment? | Stationary, mobile and mini C-arm. |
| What is the basic design of the C-arm? | X-ray tube at one end and the image intensifier at the other. |
| Where is the C-arm most commonly used? | OR suites |
| What is the mini C-arm mainly used for? | x-raying extremities |
| What are the 3 general guidelines for setting up the C-arm? | 1. Plug the monitor into the wall & connect c-arm to monitor. 2.Turn on the power switch on monitor & allow c-arm to warm up completely before attempting to expose/ move. 3. Warm up time is 3 min. |
| What are the 3 types of c-arm movement? | 1.up/down 2.axial rotation 3.swivelling |
| What does the left monitor for the c-arm display? | Active images |
| What does the right monitor for the c-arm display? | Static images, generally for comparison. |
| What are the 2 locations you can find the control panel? | The tower of the C-arm and on the monitor. |
| List the 6 basic functions of the c-arm | 1.magnification 2.pulse mode 3. auto exposure 4.manual control 5.snap shot/digital spot 6.film mode |
| How much can you magnify an image on the c-arm? | Mode up to x3 |
| What is pulse mode? | Pulsating x-rays at timed increments to reduce exposure. |
| What is a snapshot/digital spot? | Higher-quality computer enhanced image. |
| What is the film function mode? | Allows for exposure of a cassette. |
| What are the 2 advanced functions of the c-arm used in interventional imaging? | subtraction and roadmapping |
| What are the foot pedals used for? | Hands free operation of fluoro by the doctor |
| How many controls are on the foot pedal? | 2-4 |
| What are the 6 ways to store images? | 1.they can be maintained on a hard drive 2.hard copy 3. floppy disc 4.jump/thumb drive 5.video 6.CD |
| What are some of the radiation protection devices needed in the OR? | Lead aprons, thyroid shield, rolling shield and lead lined glasses. |
| What are the 3 most important 3 rules to follow in radiation protection? | 1.time 2.distance 3.shielding |
| During fluoro the alarm will sound after how many minutes? | 5 minutes |
| How do you reset the alarm? | Hit the alarm button |
| Name the 7 people who should be part of a surgical team | 1.surgeon 2.surgical assistant 3.anesthesiologist 4.certified surgical technologist 5.circulator 6.scrub tech 7.rad tech |
| What are the 4 essential attributes of an OR tech? | 1.confidence 2. mastery of equipment and case 3. problem solving/critical thinking skills 4. communication |
| When draping the c-arm should it be draped tightly or loosely? | loosely, to allow for manipulation. |
| What are 4 common c-arm procedures? | 1.cholangiograms 2. retrograde urography 3.orthopedic procedures 4.interventional studies |
| What is a cholangiogram? | procedure that is done with contrast media to visualize the bile ducts after the a cholecystectomy (removal of the gallbladder) |
| How is a cholangiogram usually done vs. using a c-arm? | laproscopy |
| What are 3 common c-arm positions for cholangiogram? | -AP -Slight RPO -Slight LPO |
| What does the c-arm position slight RPO in cholangiogram do? | projects biliary ducts away from spin |
| What is a retrograde urography? | A nonfunctional exam of the urinary system |
| What position is the patient in for a retrograde urography? | lithotomy position |
| Contrast is introduced retrograde via a ______________placed directly into the pelvicalyceal system. | catheter |
| Why are retrograde urography's performed? | For undetected calculi, other types of obstruction, infection or structural defects. |
| What are the 2 types of orthopedic surgery? | 1.closed reduction 2.open reduction |
| What are the 4 types of open reduction in orthopedic surgery? | 1.internal fixation 2.external fixation 3. intramedullary fixation 4. joint replacements |
| What is internal fixation? | Devices such as screws, pins, intramedullary rods, etc.. are left in place and the skin is closed around the the devices. |
| What is external fixation? | The use of an external fracture-stabilizing device the permits bone healing without the immediate requirement for internal fixation. |
| What are 4 types of interventional studies? | 1.pacemaker insertion 2.PICC line placement 3. cardiac catheterizations 4.venogram/angiograms |
| What is a pacemaker? | small device inserted into the chest to help correct heart arrhythmias via electrical pulses used to prompt the heart to pump at a normal rate. |
| What is a PICC line used for? | long term medications and fluids |
| How long can a PICC line stay in place? | up to a year |
| What side of the patient is the PICC line usually placed? | right side |
| How is the a cardiac catheterization preformed? | A catheter is inserted into an artery in either the neck, groin, or arm and fed into the arteries of the heart. |
| Why is a cardiac catheterization done? | To diagnose coronary heart disease and blockages. |
| What are venograms and angiograms? | contrast media used to detect blood flow in veins and arteries of the body. |
Created by:
lchadderton
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