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Prothrombina time

Susana Arias Rivera, Pilar Conde Alonso, Raquel Sánchez Izquierdo, Carmen García Granell, José Antonio Martín de la Torre Pérez-Cejuela, M Elena Ortega Castro, M Luz Berlanga, Tomás Pascual Durán, Francisca Oña Compari, Miguel Angel de la Cal
OBJECTIVE: Arterial catheters are used to extract blood samples. To maintain its permeability we use heparin solution, which may contaminate and alter the desired results. Our aim was to determine the volume of the minimum discards during blood extractions to avoid results that might be altered in the analysis of biochemistry. MATERIAL AND METHODS: A prospective study was carried out in 18 beds intensive care unit. Patients with arterial catheter (Seldicath) were included, maintaining 500 UI of heparin in saline of 500 ml, at a pressure of 300 mmHg through pressurizer (Tycos)...
July 2004: Enfermería Intensiva
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