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Primerjava diagnostičnih postopkov za ugotavljanje pretirane vagusne vzdraženosti pri otrocih z afektnimi napadiPerković-Benedik, MirjanaThe breath-holding spells are a common cause for a loss of consciousness during the early childhood. The episodes of breath-holding spells are involuntary and reflexive and usually occur after a ... provocation that causes anger, frustration or reaction to pain. There appear to be two clinical forms:the pallid type and the cyanotic type. Both differ also according to theunderlying pathophysiologic mechanisms. At the beginning of the spell a child usually cries or wants to cry, suddenly becomes silent and holds breath in expiration. The color of skin changes: in pallid type becomes pale and in cyanotic type cyanosis occurs early in the episode. After that the child may lose consciousness. Observation of children during the pallid breath-holding spells revealed marked bradycardia or asystole. An excessive vagal tone has been implicated as a cause of pallid breath-holding spells. The pathophysiology of the cyanotic breath-holding spells is complex and not completely understood. Results of some investigations suggest that there is also an autonomic dysregulation in children with cyanotic breath-holding spells. Ocular compression that triggers the oculocardiac reflex is used to evaluate vagal tone in children with breath-holding spells. In our laboratory the treshold value for vagal overactivity has not been established yet. In that purpose we performed a retrospective study. We reviewed 190 oculocardiac reflexes done during 5-year period. We found out that asystole of 6 seconds duration or more indicate a vagal overactivity in children younger than seven years old in our laboratory (95% of children with pallid breathholding spells have an asystole of 6 seconds duration or more). In a prospective part of the study we compared responses of the oculocardiac reflex and the cold face test.(Abstract truncated at 2000 characters).Type of material - master's thesisPublication and manufacture - Ljubljana : [M. Perković-Benedik], 2003Language - slovenianCOBISS.SI-ID - 17306329
Author
Perković-Benedik, Mirjana
Other authors
Neubauer, David
Topics
Affective Disorders |
Diagnosis |
Vagus Nerve |
Reflex, Oculocardiac |
Bradycardia |
Heart Arrest |
Child |
Cold |
Cyanosis |
Electrocardiography |
Electroencephalography |
Heart Rate |
Retrospective Studies |
Bradikardija |
Refleks okulokardialni |
Srce, zastoj |
Vagus živec |
Cianoza |
Elektroencefalografija |
Elektrokardiografija |
Mraz |
Otrok |
Retrospektivne študije |
Srčna frekvenca
Library | Call number – location, accession no. ... | Copy status |
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MF, Central Medical Library, Lj. | magistrske naloge PERKOVIć-Benedik, M. Primerjava IN: 020040246 |
available - outside loan, loan period: 1 months |
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Database name | Field | Year |
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Perković-Benedik, Mirjana | 35093 |
Neubauer, David | 09180 |
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