Intermittent rhythmic delta activity: Difference between revisions
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imported>Entranced98 Importing Wikidata short description: "Type of abnormal brain wave" |
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{{Short description|Type of abnormal brain wave}} | {{Short description|Type of abnormal brain wave}} | ||
'''Intermittent rhythmic delta activity''' ('''IRDA''') is a type of [[Neural oscillation|brain wave]] abnormality found in [[electroencephalogram]]s (EEG).<ref>{{cite journal|last1=Brigo|first1=Francesco|title=Intermittent rhythmic delta activity patterns|journal=Epilepsy & Behavior|date=February 2011|volume=20|issue=2|pages=254–256|doi=10.1016/j.yebeh.2010.11.009|pmid=21276757 | '''Intermittent rhythmic delta activity''' ('''IRDA''') is a type of [[Neural oscillation|brain wave]] abnormality found in [[electroencephalogram]]s (EEG).<ref>{{cite journal |last1=Brigo |first1=Francesco |title=Intermittent rhythmic delta activity patterns |journal=Epilepsy & Behavior |date=February 2011 |volume=20 |issue=2 |pages=254–256 |doi=10.1016/j.yebeh.2010.11.009 |pmid=21276757 }}</ref> | ||
__TOC__ | __TOC__ | ||
==Types== | ==Types== | ||
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* frontal (FIRDA) | * frontal (FIRDA) | ||
* occipital (OIRDA) | * occipital (OIRDA) | ||
* temporal (TIRDA)<ref name="pmid2804800">{{cite journal |last1=Reiher |first1=J |last2=Beaudry |first2=M |last3=Leduc |first3=CP |title=Temporal intermittent rhythmic delta activity (TIRDA) in the diagnosis of complex partial epilepsy: sensitivity, specificity and predictive value. |journal=The Canadian Journal of Neurological Sciences |date=November 1989 |volume=16 |issue=4 |pages=398–401 |pmid=2804800|doi=10.1017/S0317167100029450 |doi-access=free }}</ref> | * temporal (TIRDA)<ref name="pmid2804800">{{cite journal |last1=Reiher |first1=J |last2=Beaudry |first2=M |last3=Leduc |first3=CP |title=Temporal intermittent rhythmic delta activity (TIRDA) in the diagnosis of complex partial epilepsy: sensitivity, specificity and predictive value. |journal=The Canadian Journal of Neurological Sciences |date=November 1989 |volume=16 |issue=4 |pages=398–401 |pmid=2804800 |doi=10.1017/S0317167100029450 |doi-access=free }}</ref> | ||
It can also be | It can also be | ||
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==Cause== | ==Cause== | ||
It can be caused by a number of different reasons, some [[benign]], unknown reasons, but also are commonly associated with [[lesion]]s, [[tumor]]s, and [[encephalopathy|encephalopathies]].<ref>{{cite journal |last1=Accolla |first1=Ettore A. |last2=Kaplan |first2=Peter W. |last3=Maeder-Ingvar |first3=Malin |last4=Jukopila |first4=Sanja |last5=Rossetti |first5=Andrea O. |title=Clinical correlates of frontal intermittent rhythmic delta activity (FIRDA) |journal=Clinical Neurophysiology |date=January 2011 |volume=122 |issue=1 |pages=27–31 |doi=10.1016/j.clinph.2010.06.005 |pmid=20673647 | It can be caused by a number of different reasons, some [[benign]], unknown reasons, but also are commonly associated with [[lesion]]s, [[tumor]]s, and [[encephalopathy|encephalopathies]].<ref>{{cite journal |last1=Accolla |first1=Ettore A. |last2=Kaplan |first2=Peter W. |last3=Maeder-Ingvar |first3=Malin |last4=Jukopila |first4=Sanja |last5=Rossetti |first5=Andrea O. |title=Clinical correlates of frontal intermittent rhythmic delta activity (FIRDA) |journal=Clinical Neurophysiology |date=January 2011 |volume=122 |issue=1 |pages=27–31 |doi=10.1016/j.clinph.2010.06.005 |pmid=20673647 }}</ref> Association with periventricular white matter disease and cortical atrophy has been documented and they are more likely to show up during acute metabolic derangements such as [[uremia]] and [[hyperglycemia]].<ref>{{cite journal |last1=Watemberg |first1=Nathan |last2=Alehan |first2=Fusun |last3=Dabby |first3=Ron |last4=Lerman–Sagie |first4=Tally |last5=Pavot |first5=Pierre |last6=Towne |first6=Alan |title=Clinical and Radiologic Correlates of Frontal Intermittent Rhythmic Delta Activity |journal=Journal of Clinical Neurophysiology |date=December 2002 |volume=19 |issue=6 |pages=535–539 |doi=10.1097/00004691-200212000-00006 |pmid=12488784 }}</ref> | ||
==Diagnosis== | ==Diagnosis== | ||
{{Empty section|date=August 2021}} | {{Empty section|date=August 2021}} | ||
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Latest revision as of 13:10, 26 June 2025
Template:Short description Intermittent rhythmic delta activity (IRDA) is a type of brain wave abnormality found in electroencephalograms (EEG).[1]
Types
It can be classified based on the area of brain it originates from:
- frontal (FIRDA)
- occipital (OIRDA)
- temporal (TIRDA)[2]
It can also be
- Unilateral
- Bilateral
Cause
It can be caused by a number of different reasons, some benign, unknown reasons, but also are commonly associated with lesions, tumors, and encephalopathies.[3] Association with periventricular white matter disease and cortical atrophy has been documented and they are more likely to show up during acute metabolic derangements such as uremia and hyperglycemia.[4]
Diagnosis
References
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