الفهرس 
Introduction & Aim of The WorkOnly 14 pages are availabe for public view
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Abstract
Pulmonary embolism is common condition with considerable amortality and morbidity. In clinical practice, pulmonary embolism is both underdignosed and overdignosed which carry the risk of long term anticoagulant treatment. The aim of this study was to evaluate different available diagnostic modalities of pulmonary embolism in an attempt to get rapid, safe and rion invasive method especially the new progress of computed tomography (spiralC. T.).This study included forty two patients in two groups: the first group (group 1) included sixteen patients at risk for pulmonary embolism (with one or more of the risk factors for pulmonary embolism). They were ten males (62.5%) and six females (37.5%) with mean age of (37 + 11.2 years) second group (group 11) included twenty six patients of suspected pulmonary embolism (with clinical picture suspicious for pulmonary embolism). They were nine males (43,6%) and seventeen females (65.4%) with mean age of (41+ 11.2 years).All patients were subjected to the followings: 1. Thorough history taking, clinical examination, routine investigations., electrocardiogram and plain chest X-ray (posteroantenor 2. Study of the venous system of the lower limbs using the duplex ultrasound.3. Spiral computed tomography of the chest. 4. Pulmonary angiography.