الفهرس 
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Abstract
BACKGROUND: ECG-gated multidetector computed tomography (MDCT) acute chest pain protocol is a recent technique for evaluation of the coronary arteries, aorta, pulmonary arteries, and adjacent intrathoracic structures simultaneously for patients with acute chest pain.
AIM OF THE STUDY: Assess the diagnostic yield and accuracy of ECG-gated MDCT acute chest pain protocol in low and intermediated risk acute chest pain patients in the emergency department (ED). PATIENTS AND METHODS: Between January 2016 and January 2018, 44 patients presenting with non-specific acute chest pain to the emergency department performed ECG-gated MDCT acute chest pain protocol utilizing dual contrast injection technique. RESULTS: 9 cases (20.45%) with different degrees of coronary stenosis explained chest pain, 23 cases (52.27%) with non-coronary findings explained chest pain including pulmonary embolism (11.36%), aortic pathologies (11.36%), pleural disease (2.3%), hiatus hernia (9.1%), pulmonary parenchymal disease (4.5%), and pericarditis (13.6%) and 4 cases with coronary anomalies (9.1%) that could explain chest pain. CONCLUSION: An optimized ECG-gated MDCT acute chest pain protocol with concomitant reduced radiation exposure and efficient contrast agent administration provides a reliable tool for evaluation of coronary, aortic, pulmonary and other intra-thoracic causes of acute chest pain in the emergency department.