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HOW TO TAKE A SOFT TISSUE X RAY
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Soft Tissue Signs in Orthopaedics
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Yesterday, 1:47 PM EDT by
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Thread started: Monday, 2:31 PM EDT
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MY PHYSICIAN ASKED ME TO DO A SOFT TISSUE X RAY OF NECK ,, HOW IS THIS ACCOMPLISHED?
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Day light Dry laser films
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Radiography
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Aug 27 2010, 1:14 AM EDT by
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Thread started: Aug 25 2010, 5:31 AM EDT
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Sir,
Is it possible to give me the science behind the Day light Dry laser imaging films . The composition of the films. Cross section of the film and chemistry.
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Last Reply:
RE: Day light Dry laser films
By: ,
Aug 27 2010, 1:14 AM EDT
Laser films are single emulsion films. The emulsion is silver halide sensitized to the red light , which is the inherent colour of lasers used in printers. Therefore it has to be handled under total darkness. These films are for wet chemical processing.
Dry laser films have an emusion consisting of Silver behenate instead of silver halide. Silver behenate is a crystalline long-chain silver carboxylate. The image is formed after exposure to laser and heated to a temperature of 120 degrees celcious.
There is no special composition for so called day light films, except that they are packed in such a way that they can be loaded into a device in daylight, without being exposed to light.
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aqdem |
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Lead Sheet and X-Rays ----------------------------
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Radiography
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Aug 27 2010, 12:58 AM EDT by
aqdem |
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Thread started: Aug 6 2010, 12:58 AM EDT
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if any member of our Family (wiki radiography) can aswer to my doubt about if
2mm lead is installed in X-Ray room for 125kv this room is in use for almost 5 years
dose X-Rays will effect this lead thickness as the sorce is still 125kv and shell we replace the lead after some time to prevent radition leakage?
thanks & best regards
Baig
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Abdomen Radiograph of Large Patient without breath-hold.
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Discussion Forum
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Aug 26 2010, 11:08 PM EDT by
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Thread started: Aug 25 2010, 8:40 PM EDT
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Scenario: Taking an abdominal radiograph of a very large patient who cannot hold their breath. In using mA-variable technique, 80kV @ 320 mAs produced adequate exposure to the IR, however, because the patient couldn't hold their breath, the tube the requesting physician wanted to see was blurred. In this case, would increasing the kV in order to reduce the exposure time be appropriate? Or, is the only option to mechanically stop the patient from breathing?
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RE: Abdomen Radiograph of Large Patient without breath-hold.
By: ,
Aug 26 2010, 11:08 PM EDT
Of course, it would be appropriate to increase kV by 15% and halve the mAS, The resultant reduction of the contrast may not affect the objective of the x-ray, that is, to see the tube as you have mentioned. The highest mA possible at that kV should be selected to minimize the time.
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help with ct doctor's report
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Discussion Forum
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Aug 26 2010, 9:09 PM EDT by
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Thread started: Jun 12 2010, 2:39 PM EDT
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Was hoping that someone could glance over the following report and from the vernacular and procedure easily discern how many scan I actually had on this day, two versus three.
Examination: CT ABDOMEN AND PELVIS
CT of the abdomen and pelvis performed and dictated on June 7, 2005
Clinical: Hematria
Protocol: Following the administration of oral contrast, helical images ere obtained through the kidneys. Subsequently, following the uneventful intravenous administration of 100 cc of Isovue-370, helical images were performed through the abdomen and pelvis.
Talked to a medical physist who glancing at the scans themselves as well as the original order from the requesting physicia said I had two scans, with contrast and without but wasnt' sure if after the images are combined she'd actually be able to discern how many scans origainlly occured.
I recall that either before or after the injection, I was given a gravity fed IV of what I assume was saline. I thought they waited ten minutes or so for the iv to drip and then scanned me, but it was a while ago so I can’t be positive on the timing. On the web, I saw that usually hematuria used three phases – unenhanced, following iv administration, and a delayed scan ten minutes later following a saline flush. This was disconcerting because it would increase my total radiation dose markedly, however, being a layman I wasn’t sure if there was some factor I was overlooking, if there were other procedures where you’d administer a bag of iv and contrast and then do only one post contrast scan, versus the two. If the radiologist had done a third delayed scan would it be standard medical procredure to say so up in the protocol section of the report?
Trying to figure out if I had around 30 msvs or if I had the three scans a potential or 50 or 60 mss.
If it'd help I can post the rest of the medical report.
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RE: help with ct doctor's report
By: ,
Aug 26 2010, 9:09 PM EDT
Sounds like you were only scanned twice. The first scan they did was only of your kidneys and the second scan was with contrast of your entire abdomen and pelvis. However, I don't know why they gave you oral contrast. Patients with a hematuria history should not drink contrast. Our protocol for hematuria is a CT scan of the abdomen and pelvis with and without IV contrast. We scan the abdomen/pelvis first without IV contrast because we are looking for kidney stones to see if that is causing the hematuria. Kidney stones show up white just like IV contrast does on CT so you always have to do a without contrast study. You 2nd scan would be just of you abdomen after a 60 second delay, followed by a 2 min delay from you kidneys to you bladder.And if they did a delayed scan it should have been mentioned in the report. Hope this helps
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Miller Abbott small intestine
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Discussion Forum
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Aug 25 2010, 9:42 PM EDT by
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Thread started: Apr 11 2010, 10:00 PM EDT
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Can anyone explain why hg is used to weight the miller abbott tube during small bowel procedures? I understand that it's to move the tube down, but why Hg?
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RE: Miller Abbott small intestine
By: ,
Aug 25 2010, 9:42 PM EDT
Interesting question.
As you know, mercury is the heaviest liquid. The weight of the 10-15 cc of Hg carries the tube through the gastrointestinal tract by gravity with the aid of patient movement into certain positions [1]. Sounds like a good idea. I guess it wasn't though, because it makes you really sick if the balloon pops [2]. Nowadays they just use water or air.
1. King EM, Wieck L, Dyer M. (1981). Illustrated manual of nursing techniques. 2nd ed.
2. Bredfeldt, J.E. (1978). "Systemic Mercury Intoxication Following Rupture of a Miller-Abbott Tube". American Journal of Gastroenterology 69.
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Film processor QC
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Radiography
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Aug 25 2010, 8:55 PM EDT by
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Thread started: Aug 20 2010, 12:08 AM EDT
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This may not be relevant to many of you who use filmless imaging. But if you are still using films and processors what is the correct frequency of washing/cleaning roller racks?
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RE: Film processor QC
By: ,
Aug 25 2010, 8:55 PM EDT
Hi Vitharana,
The Canadian regulations simply say the film transport mechanism of film processors must be cleaned frequently [1]. A site I visited that still used film cleaned their roller racks weekly. The manufacturer recommendation might be a good place to start. The danger in not cleaning them often enough, as I'm sure you know, is that debris on the racks scratches the film causing artifacts. As long as you clean them often enough to prevent this, it should be O.K.
1. Health Canada. Safety Code 35: Safety Procedures for the Installation, Use and Control of X-ray Equipment in Large Medical Radiological Facilities. 2008. http://www.hc-sc.gc.ca/ewh-semt/alt_formats/hecs-sesc/pdf/pubs/radiation/safety-code_35-securite/safety-code35-securite-eng.pdf
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scattered radiation
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Discussion Forum
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Aug 24 2010, 7:51 AM EDT by
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Thread started: Aug 7 2010, 7:54 AM EDT
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im just asking how many meters should i be so that im not hit by scattered radiation if im not wearing a lead gown..ty guys!!!
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sideshowjim |
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Digital quirks and conventions
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Conventions, Customs, Cultures, Common Practices and Quirks in Radiography
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Aug 20 2010, 3:32 PM EDT by
sideshowjim |
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Thread started: Apr 24 2009, 3:08 PM EDT
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I've got a feeling that digital manipulation will be the death of collimation! "Manual Black mask" means never having to measure the beam to the plate!
(And I know I sound like an old fart, but I'm a student trained almost exclusively on CR! But seen so many qualified staff just dragging the mask in to cover up half the exposed area!)
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RE: Digital quirks and conventions
By: sideshowjim,
Aug 20 2010, 3:32 PM EDT
In the UK, when you start at a new site you have to go through a whole bunch of induction lectures about various topics (manual handling, equality and diversity, blood transfusions, etc). I'm thinking maybe one on radiation protection might be an idea as well. Not just to give dose information (and the inherant risks), but also to point out that when someone is doing a portable x-ray in a bay, when they shout "x-rays!", the correct response is NOT to say "Oh, I've had all the kids I want, hahaha!!"
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frog leg
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Discussion Forum
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Aug 12 2010, 12:31 AM EDT by
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Thread started: May 25 2010, 6:53 AM EDT
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hi, i study frog leg position in Merril`s Atlas of Radiographic Positions, i sow it used for AP-axial for neck of femur ,not for lateral view.
whats your idea?
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Last Reply:
RE: frog leg
By: ,
Aug 12 2010, 12:31 AM EDT
Don't have a copy of Merrils to hand but is that really what it says? Frogs provides a lateral projection of both hips - similar to the image obtained by Lauensteins projection of each hip
Realistically only needed in none trauma where comparison of the lateral position of both hips is required. I was under the impression only really used in children when investigating Perthes Disease but then looking at the replies below it seems to be used for other reasons and with other classes of patents at certain centers - interesting. Perhaps a review of the literature might be in order?
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Radiology Department vs Radiography Department
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Discussion Forum
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Aug 12 2010, 12:22 AM EDT by
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Thread started: Sep 25 2009, 2:58 PM EDT
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What is the difference (if any) between the Radiology Department and the Radiography Department?
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t8012901 |
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Lateral Facial Bones - Is it a standard veiw?
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Discussion Forum
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Aug 12 2010, 12:19 AM EDT by
xxed |
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Thread started: Jul 31 2010, 10:24 AM EDT
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Hello everyone - Could anyone please answer the following question for me:
"Many departments exclude the lateral projection from the routein assessment of facial bones. Why is this the case?"
Cheers
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RE: Lateral Facial Bones - Is it a standard veiw?
By: xxed,
Aug 12 2010, 12:19 AM EDT
"we do lateral facial bones of the affected side at all 7 of my clinical sites" Can I ask where in the world you practice. as far as I am aware these have not been done in the UK in for some time (perhaps in major trauma, but due to the heightened superimpostion of the facial bones I was under the impression it was a projection considered of little use (especially now with CT being the norm, more so in major trauma). Just curious
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2nd generation CT
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Scanner Generations
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Aug 9 2010, 11:58 AM EDT by
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Thread started: Aug 9 2010, 11:58 AM EDT
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2nd generation CT
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Thumbs up rule for both oblique position
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Discussion Forum
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Aug 4 2010, 8:35 AM EDT by
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Thread started: Aug 4 2010, 8:35 AM EDT
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Can you imagine making a "thumb sign is a golden rule in performing 45 degree angle".
First position your patients body either in supine or prone
Second oblique your patients body on the part of interest
Lastly is position your thumb-up sign in the part of the body where you oblique it.
thumb-up sign is an imaginary 45 degree angle.
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Physics Finals
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Discussion Forum
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Jul 31 2010, 11:39 AM EDT by
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Thread started: Jul 31 2010, 11:39 AM EDT
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Hi Guys, I need help on my Physics final. We are demonstrating how the xray production works, brems and characteristics. i would appreciate any ideas. I was thinking of making shell interactions but I dont know how to make brems, what materials would I use to show brems and characteristics- proby magnet? thanks
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Theater radiography
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Top 20 Practical Tips for Radiography in the Operating Theatre
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Jul 30 2010, 11:48 PM EDT by
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Thread started: Jul 30 2010, 11:48 PM EDT
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Mr Fuller
I appreciate your 20 tips but it would be greatly helpful to me as a relatively new radiograher if you posted some inside tips for positioning and such that you have learned over the years.
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ultrasound artifacts
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Ultrasound Physics
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Jul 14 2010, 5:20 AM EDT by
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Thread started: Jul 14 2010, 5:20 AM EDT
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need help with ultasound artifacts pls
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15 degree caudal angulation
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Ribs - PA Chest
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Jul 13 2010, 8:46 PM EDT by
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Thread started: Jul 13 2010, 8:46 PM EDT
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I've just read in Merrill's (11th ed., volume 1, page 486) that a 10-15 degree caudal angulation projects the diaphragm below the 7th, 8th, and 9th ribs when doing PA anterior rib radiography. This angulation seems like it would project the diaphragm higher onto the ribs, what with the posterior sloping of the diaphragm. Could anyone explain how this angulation aids in demonstrating the lower anterior ribs?
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chest xray critiques
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Wikiradiography Rules
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Jul 10 2010, 7:18 AM EDT by
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Thread started: Jun 26 2010, 6:41 AM EDT
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Hello everyone! I'm a junior student in radiography. I just started last month. Our professor gave us an assignment on film critiques. I dont know how to determine if there's a rotation on the clavicles. I dont know where exactly to look. It says on the book that it can be detected by the asymetric apperance of the sternoclavicular joints. How can I compare the clavicular margins? Also is there any additional link that I can find mostly on film critiques? Thanks and have a great day!
janne
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RE: chest xray critiques
By: ,
Jul 10 2010, 7:18 AM EDT
"These two images might help:
http://e-radiography.net/ibase8/3_errors/slides/Error_chest_rotation.htm
http://e-radiography.net/ibase8/3_errors/slides/Error_chest_gross_rotation_x.htm" Thanks! it helped me a lot =) have a nice day
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Job Interview Question
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Discussion Forum
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Jul 5 2010, 6:28 PM EDT by
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Thread started: Jan 25 2009, 7:43 AM EST
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Hello, I am at the stage in my Bsc Diagnostic radiography course where I need to start applying for jobs. I have an interview on friday and wanted to know if anyone could help me out with radiography specific questions they might ask, things like the 18 weeks wait, ALARA, operator, practitioner, user that kind of thing.
Any help would be kindly appreciated
Thank you
//
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Last Reply:
RE: Job Interview Question
By: ,
Jul 5 2010, 6:28 PM EDT
often get one about what would you do if... type questions. Typically what would you do if on your own at night, and theaters and resus called at the same time. Also image interpretation may come up (remember to check if it's the correct side marker!)
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