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English translation: leads

19:03 Sep 17, 2002
Spanish to English translations [PRO]
Medical / spinal cord injury
Spanish term or phrase: derivaciones (medical)
(spinal cord injury test results) "En las derivaciones del cuero cabelludo no se lograron reconocer los componentes P37 and N45 bilateralmente."
guillen
United States
Local time: 03:34
English translation:leads
Explanation:
"Derivaciones" es el nombre de los electrodos que se usan para registrar cambios de potnecial eléctrico generados desde el corazón (con el electrocardiograma, o ECG), o desde el cerebro (con el electroencefalograma, o EEG). "Derivación" en este contexto se traduce como "lead".

Tu texto se refiere al registro de un EEG, para el cual se usan electrodos (derivaciones) aplicadas sobre el cuero cabelludo. Te paso dos ejemplos de artículos de Medline sobre EEG + leads:

Quantitative topographical analysis of EEG during nonstandardized and
standardized hyperventilation.
Journal of Clinical Neurophysiology. 15(6):521-8, 1998 Nov.

The aim of this study was to compare the topographical quantitative **EEG** changes induced by nonstandardized hyperventilation and those induced by standardized hyperventilation (with the end-tidal PCO2 being maintained at 2 kPa and 2 over black square]; [1 and 2 over black square]5 mm Hg]). We examined 18 healthy volunteers during nonstandardized and 20 during standardized hyperventilation. During nonstandardized hyperventilation, the mean spectral power density in this group significantly increased 1.9 fold within the delta-, 2.2 fold within the theta-, 1.8 fold within the alpha-, and 1.9 fold within the beta-frequency band. There was no significant change of the power ratio and was no topographic difference between 4 frequency bands investigated. During standardized hyperventilation, the mean spectral power density in the group significantly increased to 12.9 fold within the delta-, to 7.6 fold within the theta-, to 1.4 fold within the alpha-, and to 2.4 fold within the beta frequency band. The power ratio decreased significantly. Such a pronounced EEG slowing with delta and theta augmentation was never found during nonstandardized hyperventilation. We conclude that a consistent slowing of the **EEG** in all **leads** including a constant topographical maximum can only be induced by standardized, sufficiently pronounced hyperventilation



This study was designed to characterize the effect of medetomidine (Med) on **electroencephalography (EEG)**, to evaluate the use of quantitative EEG for assessing sedation levels and to explore the correlation between the serum concentration of Med and the quantitative EEG. Four groups of subjects were given Med at doses of 20, 40, 80 and 160 microg/kg (Med-20, Med-40, Med-80 and Med-160 groups). Following Med administration, there was synchrony between each unipolar EEG lead. On EEG power spectrum analysis of the bipolar **leads**, all groups showed a significant depression of the 14-30 Hz components. The power of the 1-3 Hz component in the Med-80 and Med-160 groups was significantly increased, although there were few changes in the other groups….
Selected response from:

Elena Sgarbo (X)
Grading comment
Thank you for a very knowledgeable answer.
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +3shunts
Yasser El Helw
5 +2derivations
Patricia Fierro, M. Sc.
5 +1leads
Elena Sgarbo (X)


  

Answers


7 mins   confidence: Answerer confidence 5/5 peer agreement (net): +2
derivations


Explanation:
Pienso que sería derivations mismo.

Ver por ejemplo:
Anatomy Of The Small Intestine
Anatomy Of The Small Intestine. ... The nerve supply to the duodenum is the sympathetic
and vagal derivations from the coeliac and superior mesenteric plexuses. ...
www.sghms.ac.uk/ssm/alimpath/si/sianat.htm

Patricia Fierro, M. Sc.
Ecuador
Local time: 04:34
Native speaker of: Native in SpanishSpanish, Native in EnglishEnglish
PRO pts in pair: 1404

Peer comments on this answer (and responses from the answerer)
agree  Stefanie Guim Marce
25 mins
agree  Marilyn Retta: Ruiz Torres dic. defines "derivations" as "lugares de registro en electrocardiografía". From context, it sounds like this is a test being performed, so perhaps "lugares de registro" is more appropriate.
5 hrs
Login to enter a peer comment (or grade)

48 mins   confidence: Answerer confidence 5/5 peer agreement (net): +3
shunts


Explanation:
Suerte

--------------------------------------------------
Note added at 2002-09-17 19:53:21 (GMT)
--------------------------------------------------

Intraventricular Hemorrhage - ... outside the brain to bathe the outer brain and spinal cord. ... The temporary shunt connects the fluid from the ventricles to the space under the scalp ...
http://www.pediatrics.wisc.edu/childrenshosp/parents_of_pree...

Search within this site
Using Query Syntax to Search Content - ... from one ventricle to the next, then over the outside of the brain and down the spinal cord ... The other end of the shunt passes underneath the scalp ...
http://ped1.med.uth.tmc.edu/spinabifida/hydro.html


Shunts And Hydrocephalus - ... The shunt runs under the skin along the scalp ... heart\'s chambers and is called a VENTRICULO-ATRIAL SHUNT ... fluid around and within the brain and spinal cord ...
http://nhfonline.org/page7.html






Yasser El Helw
Egypt
Local time: 12:34
Native speaker of: Native in ArabicArabic, Native in EnglishEnglish
PRO pts in pair: 1014

Peer comments on this answer (and responses from the answerer)
agree  Oso (X): D'accordo ¶:^)
12 mins
agree  Francisco Herrerias
1 hr
agree  Consult Couture
5 hrs
Login to enter a peer comment (or grade)

18 hrs   confidence: Answerer confidence 5/5 peer agreement (net): +1
leads


Explanation:
"Derivaciones" es el nombre de los electrodos que se usan para registrar cambios de potnecial eléctrico generados desde el corazón (con el electrocardiograma, o ECG), o desde el cerebro (con el electroencefalograma, o EEG). "Derivación" en este contexto se traduce como "lead".

Tu texto se refiere al registro de un EEG, para el cual se usan electrodos (derivaciones) aplicadas sobre el cuero cabelludo. Te paso dos ejemplos de artículos de Medline sobre EEG + leads:

Quantitative topographical analysis of EEG during nonstandardized and
standardized hyperventilation.
Journal of Clinical Neurophysiology. 15(6):521-8, 1998 Nov.

The aim of this study was to compare the topographical quantitative **EEG** changes induced by nonstandardized hyperventilation and those induced by standardized hyperventilation (with the end-tidal PCO2 being maintained at 2 kPa and 2 over black square]; [1 and 2 over black square]5 mm Hg]). We examined 18 healthy volunteers during nonstandardized and 20 during standardized hyperventilation. During nonstandardized hyperventilation, the mean spectral power density in this group significantly increased 1.9 fold within the delta-, 2.2 fold within the theta-, 1.8 fold within the alpha-, and 1.9 fold within the beta-frequency band. There was no significant change of the power ratio and was no topographic difference between 4 frequency bands investigated. During standardized hyperventilation, the mean spectral power density in the group significantly increased to 12.9 fold within the delta-, to 7.6 fold within the theta-, to 1.4 fold within the alpha-, and to 2.4 fold within the beta frequency band. The power ratio decreased significantly. Such a pronounced EEG slowing with delta and theta augmentation was never found during nonstandardized hyperventilation. We conclude that a consistent slowing of the **EEG** in all **leads** including a constant topographical maximum can only be induced by standardized, sufficiently pronounced hyperventilation



This study was designed to characterize the effect of medetomidine (Med) on **electroencephalography (EEG)**, to evaluate the use of quantitative EEG for assessing sedation levels and to explore the correlation between the serum concentration of Med and the quantitative EEG. Four groups of subjects were given Med at doses of 20, 40, 80 and 160 microg/kg (Med-20, Med-40, Med-80 and Med-160 groups). Following Med administration, there was synchrony between each unipolar EEG lead. On EEG power spectrum analysis of the bipolar **leads**, all groups showed a significant depression of the 14-30 Hz components. The power of the 1-3 Hz component in the Med-80 and Med-160 groups was significantly increased, although there were few changes in the other groups….


Elena Sgarbo (X)
Native speaker of: Native in SpanishSpanish
PRO pts in pair: 3539
Grading comment
Thank you for a very knowledgeable answer.

Peer comments on this answer (and responses from the answerer)
agree  Marcvs: Excellent!
1 hr
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