Published June 1975
| Version v1
Journal article
Error introduced in the radiocardiographic measurement of right volume by the non-linearity of the detector in high count rates
- 1. Centre Hospitalier Regional Augustin-Morvan, 29N - Brest (France)
Description
The short life tracers permit the use of high activities and so allow to follow with a good statistic accuracy fast phenomena such as the different phases of cardiac revolution. However, this advantage may be quickly limited by the dead-time of the detection unit used. It results from this, in high activities, a non-linear response which introduces non negligible errors which have been calculated and experimentally verified in the measurement of right ventricular volumes
Abstract (French)
Les traceurs radioactifs a vie breve autorisent l'usage d'activites elevees et permettent ainsi de suivre, avec une bonne precision statistique, des phenomenes rapides tels que les differentes phases de la revolution cardiaque. Cependant, cet avantage peut etre rapidement limite par le temps mort de la chaine de detection utilisee. Il en resulte, aux fortes activites, une reponse non lineaire qui introduit des erreurs non negligeables qui ont ete calculees et verifiees experimentalement dans le cas de la mesure des volumes ventriculaires droitsAdditional details
Additional titles
- Original title (French)
- Erreur introduite sur la mesure radiocardiographique du volume cavitaire droit par la non-linearite du detecteur aux forts taux de comptage
Publishing Information
- Journal Title
- J. Radiol., Electrol., Med. Nucl.
- Journal Volume
- 56
- Journal Issue
- 6
- Series
- J. Radiol., Electrol., Med. Nucl.
- Journal Page Range
- 517-522
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 7240258
- Subject category
- S62: RADIOLOGY AND NUCLEAR MEDICINE;
- Descriptors DEI
- DEAD TIME; ERRORS; RADIOCARDIOGRAPHY; RADIOISOTOPE SCANNERS
- Descriptors DEC
- CARDIOGRAPHY; DIAGNOSTIC TECHNIQUES; TIMING PROPERTIES