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Rudolfo Marques

Fri. 19 Aug.11,
12:03

[Start of:
'fmri, block design: length of "On" and "Off" periodes ?'
0 Reply]


 
  Category: 
Funktional MRI

 
fmri, block design: length of "On" and "Off" periodes ?
Hello,
I'm planning some fmri research and I wonder why often the blocks of stimulation and nothing (or called base level or resting state) have the same length

If I let -maybe- a flickering checkerboard about 16 seconds on, as my "ON" period... then I should not need further 16 seconds resting state? DO I?

The BOLD-related effects should be away after about 2 seconds?

Thanks
Rudolfo
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George LoGuirato

Wed. 3 Mar.10,
15:38

[Reply (1 of 2) to:
'Dynamic Imaging'
started by: 'Ron Harris'
on Tue. 2 Mar.10]


 
  Category: 
Applications and Examinations

 
Dynamic Imaging
Don't have a solid definition, but will give an example. Pituitary study: you can run a dynamic study by using a power injector set for a slow infusion rate of let's say 0.75ml/sec. The scanner is set to run a scan sequence through the PIT (25-35 seconds) and then repeat that sequence usually six times. The dynamic "uptake" and "falloff" of contrast in the PIT is evident.
Hope this helps.
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Justin Brown

Thu. 11 Feb.10,
14:59

[Reply (2 of 3) to:
'Scan equation I don't get, HELP'
started by: 'David Brooks'
on Tue. 22 Dec.09]


 
  Category: 
Basics and Physics

 
Scan equation I don't get, HELP
3500ms=3.5 seconds!
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Arianna Guzman

Thu. 28 May.09,
14:06

[Start of:
'A great article on job hunting in the medical device industry'
0 Reply]


 
  Category: 
Jobs

 
A great article on job hunting in the medical device industry
Everyone is looking for work these days, and while I was job hunting I found an amazing article on how to build a good relationship with recruiters.

The original article is here
http://legacymedsearch.wordpress.com/2009/01/25/3/
But here are just a few of the tips

So here’s some tips to get your message out to your favorite recruiter(s):

1. Be succinct in communication. I do care. But if I can get a 16 second voicemail with your basic information and purpose of the call, I can get back with you faster. Name, most recent company, phone number (speak clearly and/or leave the number twice so I don’t have to replay) and purpose of the call are fine. Hopefully, you’ve checked my website and can give me the title or Job ID so we can get to the point quickly. And chances are, if you’ve been laid off, I probably already know the reason – and that it’s not a reflection on you. I understand.


2. If possible, ALWAYS “apply” online on my website for a position you’re interested in rather than asking me to look over your resume and see what I have that may be a fit. When you express an interest in a position, it “flags” one of my recruiters and puts you at the top of the heap to be contacted – generally within a day or two. If I receive a general “please let me know what you think” query, I save it for the weekend and then assign it to one of our administrative staff – and currently – as of today (January 24, 2009) there are 3291 resumes in queue for general processing. Actual number. And we can only process 100-200 per day per staff person. By applying online and telling us what you’re interested in – you’ll generally get a response (either phone or email) within a few days on most positions.

3. Look at our forum Medical Device Guru. There are nearly 5000 articles, resume tips, news stories and tons of ideas – that we update daily.

4. On that same topic, make sure your resume is pristine – and descriptive, including not only your current/most recent company and a brief description- but the website as well – embedded in your resume. If you list your company as “Tyco” or “JNJ” rather than the division or SBU, I can’t as quickly assess where we might have a spot for you. By embedding the URL that best reflects your role, or describing the functional areas of responsibility you managed, my staff and I can have a greater understanding of your career relative to your total organization.


5. Be generous in recommending other people to us if a position we present to you is not a fit. If it’s a confidential referral, we will honor that. Interestingly, you should know that the single biggest referral source I have for the most senior level positions that I typical work on – is YOUR BOSS. Of course, I can’t tell you this, but more often than not, if you’re talented, but have no room for promotion in your current organization, your boss will confidentially share your name. There’s a lot of good people in medical – and it’s such a small world, is it not?


7. It’s OK to “touch base” every week or so if you’re in active consideration for a position and haven’t heard anything. We’re not perfect and sometimes things DO fall through the cracks – especially when the hiring manager is taking a few weeks to set up interviews because he/she is working 70 hours+ per week and doing three jobs – or has lost admin help – or is travelling. We do try to communicate the process, but so much of it is out of our control. By the same token, give us a little breathing room. Noone want to place you more than WE do.

8. Do your homework once we have an interview scheduled for you. While we will do a verbal prep with you and send you materials on our client, you can increase your odds by doing your own homework on the company. We’ve created the Interview Prep Guide for Medical Device Careers as a help – it’s 24 pages packed with medical career interviewing ideas. And its free.

Finally, every day – many times a day – I get asked how the job market looks – quick answer – it’s very strong in many niches within medical device. The smaller companies seem hungry to add top talent and even some of our Fortune 500 clients are planning responsible additions in Q1. Frankly, no company is going to grow without smart, dedicated, and creative talent to weather the next few quarters. While Legacy MedSearch is but one executive search company (and there are alot of great companies like ours), we had a 40% growth last year and are already ahead of plan for 2009 as of May with a week left to go. My guess is that we’ll place 4 people again this month and at least as many in June
I really hope one of those people – is you.
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German Villegas

Tue. 14 Oct.08,
22:11

[Reply (3 of 4) to:
'Contrast MRA COW.'
started by: 'Marilia White'
on Thu. 3 Mar.05]


 
  Category: 
Contrast Agents

 
Contrast MRA COW.
Just came from an MRI convention by Bill Faulkner according to him CE MRA COW is a very Diagnostic exam, no undesireble veins! I thought the same but it appears this exam has proven to be valuable in the diagnosis of oclusions, stenosis and aneurysms. I do not have a protocol, but am working to build one. I will post suggestions once I got something that works. Bill did mention it must be a dynamic scan quick enough to show arterial flow and then venous, so no more than 10 seconds per scan. Very few centers and hospitals offer this protocol but its in the works.
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