Administration of Contrast Agents Contrast-Enhanced CT-Scans and Contrast Media To achieve high-image quality for diagnostic approaches, radiologists perform most CT-examinations as contrast-enhanced scans. Only a minority of CT-exams (e.g., stone…
Cranial CT Many cranial CT (CCT) examinations can be performed without injection of contrast medium: For instance, the differential diagnosis (DD) of cerebral bleeding versus infarction in patient with sudden…
Preparing the Patient Medical History Following a period of fasting (the day of the examination), and prior to any CT examination, a thorough medical history needs to be obtained which…
▪ Introduction and Background: Considerations for Using MRI Magnetic resonance imaging (MRI) is an important tool in imaging the mediastinum, chest wall, and chest vasculature, with a continuously expanding role….
▪ Introduction Various imaging techniques are used in the assessment of the normal anatomy and pathology of the heart and great vessels. Chest radiography is the most commonly used modality…
Introduction CT has become an indispensable part of diagnostic imaging in recent times. With the help of the money that the Beatles’ records made for Electrical and Music Industries (EMI),…
Introduction CT imaging of the heart plays an important role in anatomic and sometimes functional evaluation of the heart and coronary arteries. Coronary artery cardiac CT angiography (CTA) has substantially…
■ Conventional Chest X-Ray The chest radiograph is the most common radiographic procedure performed in the imaging department and is the initial imaging modality in a patient presenting with thoracic…
■ Introduction Heart disease is a leading cause of morbidity and mortality worldwide. Noninvasive imaging plays a role in the diagnosis, monitoring, and treatment of heart disease. Hence, radiologists can…
■ Introduction The mediastinum, chest wall, and diaphragm can be evaluated by multiple imaging modalities, such as radiography, computed tomography (CT), and magnetic resonance imaging (MRI). The chest radiograph is…
