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| 20. |  | SILVA, M. L. N.; CURI, N.; OLIVEIRA, M. S. de; FERREIRA, M. M.; LOMBARDI NETO, F. Comparação entre métodos direto e indiretos para determinação da erodibilidade em latossolos sob cerrado. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 29, n. 11, p. 1751-1761, nov. 1994. Título em inglês: Comparison between direct and indirect methods for the determining the erodibility in latosols under cerrado vegetation.| Biblioteca(s): Embrapa Unidades Centrais. |
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| Registros recuperados : 77 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
16/02/2017 |
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Data da última atualização: |
29/12/2017 |
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Autoria: |
BOTELHO, A. F. M.; OLIVEIRA, M. S. de; SOTO-BLANCO, B.; MELO, M. M. |
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Afiliação: |
ANA F. M. BOTELHO, UFMG; MAIRA S. DE OLIVEIRA, UFMG; BENITO SOTO-BLANCO, UFMG; MARÍLIA M. MELO, UFMG. |
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Título: |
Computarized electrocardiography in healthy conscious guinea pigs (Cavia porcellus). |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 12, p. 1203-1208, dez. 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
The purpose of this study is to evaluate healthy conscious guinea pigs as a model for electrophysiology assessment and to describe normal electrocardiographic patterns in controlled laboratory environment, establishing the best QT formula for this method. Electrocardiographic recordings of fifty adult conscious guinea pigs were obtained using a computerized electrocardiography. The electrocardiographic measurements of three different tracings were analyzed. The results obtained established normal mean and range values for the parameters: heart rate, waves and intervals of P-QRS-T deflections, as well as the mean cardiac axis. Groups were separated by body weight: group 1 gathered animals with 500-699g and group 2 with animals 700-900g. No differences were found when measurements were compared between groups, showing no significant difference between weight/ body sizes to the electrocardiographic parameters (P<0.05). The mean corrected QT values (QTc) obtained using diverse formulae were significantly different (P<0.05), were the most consistent was Van der Water (QTcV). QTcV values were strongly correlated (r=98) and 95% confidence interval 185.7 to 195.2ms.Considering its simplicity and reliability, the QTcV was deemed the most appropriate to be used for the correction of QT interval in conscious guinea pigs.The results of this study also suggest that the values found can be used as reference for the species |
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Palavras-Chave: |
Computerized ECG; ECG computadorizado. |
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Thesagro: |
Eletrocardiograma. |
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Thesaurus NAL: |
Consciousness; Electrocardiography; Guinea pigs. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/155832/1/Computerized-electrocargiography.pdf
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Marc: |
LEADER 02151naa a2200229 a 4500
001 2064411
005 2017-12-29
008 2016 bl uuuu u00u1 u #d
100 1 $aBOTELHO, A. F. M.
245 $aComputarized electrocardiography in healthy conscious guinea pigs (Cavia porcellus).$h[electronic resource]
260 $c2016
520 $aThe purpose of this study is to evaluate healthy conscious guinea pigs as a model for electrophysiology assessment and to describe normal electrocardiographic patterns in controlled laboratory environment, establishing the best QT formula for this method. Electrocardiographic recordings of fifty adult conscious guinea pigs were obtained using a computerized electrocardiography. The electrocardiographic measurements of three different tracings were analyzed. The results obtained established normal mean and range values for the parameters: heart rate, waves and intervals of P-QRS-T deflections, as well as the mean cardiac axis. Groups were separated by body weight: group 1 gathered animals with 500-699g and group 2 with animals 700-900g. No differences were found when measurements were compared between groups, showing no significant difference between weight/ body sizes to the electrocardiographic parameters (P<0.05). The mean corrected QT values (QTc) obtained using diverse formulae were significantly different (P<0.05), were the most consistent was Van der Water (QTcV). QTcV values were strongly correlated (r=98) and 95% confidence interval 185.7 to 195.2ms.Considering its simplicity and reliability, the QTcV was deemed the most appropriate to be used for the correction of QT interval in conscious guinea pigs.The results of this study also suggest that the values found can be used as reference for the species
650 $aConsciousness
650 $aElectrocardiography
650 $aGuinea pigs
650 $aEletrocardiograma
653 $aComputerized ECG
653 $aECG computadorizado
700 1 $aOLIVEIRA, M. S. de
700 1 $aSOTO-BLANCO, B.
700 1 $aMELO, M. M.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 36, n. 12, p. 1203-1208, dez. 2016.
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Embrapa Unidades Centrais (AI-SEDE) |
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