TY - JOUR T1 - THREAD space study: diagnosing venous thromboembolism using respiratory dead space and D-dimer JF - Emergency Medicine Journal JO - Emerg Med J SP - 24 LP - 24 DO - 10.1136/emj.2009.082081x VL - 26 IS - Suppl 1 AU - D. Sfeir AU - T. Tabor AU - K. Hogg Y1 - 2009/10/01 UR - http://emj.bmj.com/content/26/Suppl_1/24.abstract N2 - Deep vein thrombosis (DVT) and pulmonary embolism (PE) investigation is costly and time consuming to hospital resources and patients. Patients can experience lengthy waits for invasive procedures. Our previous research suggested that combined dead space and D-dimer could safely exclude PE in patients with pleuritic chest pain. This study aimed to assess a non-invasive bedside rule-out strategy … ER -