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Glossary entry

German term or phrase:

Ableitung (Schlafmedizin)

English translation:

channel

Added to glossary by Harald Moelzer (medical-translator)
May 11, 2009 10:53
15 yrs ago
34 viewers *
German term

Ableitung

German to English Medical Medical (general) EEG
Der mittlere Schlaflatenz bei 5 Ableitungen betrug 13 Minuten, REM-Schlaf trat in keiner der Ableitungen auf. Damit unaffälliger Befund.
Proposed translations (English)
5 +4 channel
3 +3 lead
5 recording
4 derivative
4 (of the) deviation(s) measured or recorded
References
channels
Change log

May 25, 2009 04:14: Harald Moelzer (medical-translator) Created KOG entry

Proposed translations

+4
24 mins
Selected

channel


In sleep medicine, the recording is called "polysomnogram":


"A polysomnogram usually records:

* 4 channels for the electroencephalogram, or EEG.
* 1 channel to measure air flow
* 1 channel for chin movements
* 2 channels for leg movements
* 2 channels for eye movements
* 1 channel for EKG or electrocardiogram
* 1 channel for oxygen saturation
* 1 channel for chest wall movement
* 1 channel for abdominal wall movement

Thus, the typical polysomnogram has a minimum of 14 channels..."

http://en.wikipedia.org/wiki/Polysomnogram
Peer comment(s):
agree Siegfried Armbruster
9 mins
Danke, Siegfried
agree Inge Meinzer
5 hrs
Danke, Inge
agree Marga Shaw
12 hrs
Many thanks, Marga
agree robin25 : definitely
7 days
Many thanks, robin25
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4 KudoZ points awarded for this answer. Comment: "Selected automatically based on peer agreement."
17 mins

derivative

I agree with David that these are recordings from an EEG, but in this respect they are called derivatives.
Reference:

http://www.schlafzentrum-berlin.de/pdfs/SCHLAFGLOSSAR%20.PDF

Peer comment(s):
neutral Siegfried Armbruster : I'm sorry, but in my opinion is the translation given in your reference document plain wrong, - not your fault
18 mins
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23 mins

(of the) deviation(s) measured or recorded

During REM sleep, the mean values and the standard deviations were x = 14.25, s = 6.2 in the first group; and x = 16.76, s = 6.5 in the second group. ...
pt.wkhealth.com/pt/re/ceph/fulltext.00002881-200305000-00005.htm
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+3
24 mins

lead

.

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Note added at 27 Min. (2009-05-11 11:20:34 GMT)
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http://www.cinc.org/Proceedings/2002/pdf/577.pdf
http://www.physionet.org/physiotools/edr/cic85/

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Note added at 28 Min. (2009-05-11 11:21:44 GMT)
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http://ieeexplore.ieee.org/Xplore/login.jsp?url=http://ieeex...
Peer comment(s):
agree Siegfried Armbruster : another valid option
9 mins
danke, Siegfried
agree Inge Meinzer
5 hrs
danke, Inge
agree Marga Shaw
12 hrs
danke, Marga
Something went wrong...
7 mins

recording

this is the term used for electrical recordings from nerves, or in this case EEGs from the brain.

--------------------------------------------------
Note added at 20 mins (2009-05-11 11:13:18 GMT)
--------------------------------------------------

"Schlafmedizin [Bearbeiten]
In der Schlafmedizin wird (häufig mit einem reduzierten Elektrodensatz) ein Ganznacht-EEG abgeleitet.

See Sclafmedizin in wikipedia.de

--------------------------------------------------
Note added at 31 mins (2009-05-11 11:24:37 GMT)
--------------------------------------------------

Please see also:

http://www.mofilm.de/Frames/themen/sonstige/schlaf-labor_08....

m Schlaflabor werden mittels eines Polygraphen (poly: viel, graph: Aufschreiber) spezielle Ableitungen und Untersuchungen beim Patienten durchgeführt, die in der Regel über zwei Nächte gehen. Im Vorfeld stehen eine Befragung des Patienten zu seinen Schlafstörungen sowie Voruntersuchungen zur Abgrenzung anderer Erkrankungen. Laborwerte, EKG, Röntgenaufnahme des Thorax und eine Untersuchung der Lungenfunktion gehören routinemäßig dazu. Die klinische Untersuchung eines Schlafgestörten während der Nacht wird als “Polysomnographie” oder auch „Somnopolygraphie“ (somnia lat.: der Schlaf) bezeichnet. Die hierbei durchgeführten Ableitungen, die mittels eines Computers am Folgetag ausgewertet werden, umfassen sowohl Messungen des Schlafverlaufs, der Schlaftiefe und Schlafqualität, als auch Messungen von verschiedenen körperlichen Signalen.


I did work for many years as an electrophysiologist.
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Reference comments

7 days
Reference:

channels

"...Two EOG channels are used to monitor both horizontal and vertical eye movements. Electrodes are placed at the right and left outer canthi, one above and one below the horizontal eye axis..."

http://emedicine.medscape.com/article/1188764-overview


http://www.sleep-tests.co.uk/polysomnography.php
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