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34 Possible Causes for Prominent Aortic Knob

  • Aortic Valve Stenosis

    In severe aortic valve stenosis (AS), low left ventricular (LV) stroke volume has been associated with increased cardiovascular (CV) mortality, but this association has not been explored during progression of AS in a large prospective study. In 1671 patients from the Simvastatin Ezetimibe in Aortic Stenosis (SEAS)[…][]

  • Ankylosing Spondylitis

    The objective of this study was to systemically and comprehensively evaluate the associations between smoking and disease outcomes in patients with ankylosing spondylitis (AS). Information on smoking, clinical features, and sociodemographic characteristics was collected by a questionnaire administered directly to the[…][]

  • Thoracic Aortic Aneurysm

    To study the expression, roles, and clinical significance of Brahma (BRM) and matrix metalloproteinase 2 (MMP2) in the thoracic aortic aneurysm and aortic dissection. Arterial specimens from 20 cases of thoracic aortic dissection and 38 cases of thoracic aortic aneurysm, as well as normal tissue were collected,[…][]

  • Dissecting Aortic Aneurysm

    Immediate intensive therapy is of major importance in the initial management of patients with dissecting aortic aneurysm. The Doppler ultrasound stethoscope is a noninvasive tool which may be used in the diagnosis and management of this disease. A case is presented in which this instrument was used to diagnose and[…][]

  • Marfan Syndrome

    Dilation of the ascending aorta and aortic dissections are often seen in Marfan syndrome; however, true aneurysms of the subclavian and axillary arteries rarely seem to develop in patients who have this disease. We present the case of a 58-year-old man with Marfan syndrome who had undergone a Bentall procedure[…][]

  • Non-Cranial Giant Cell Arteritis

    . Temporal Arteritis Definition The term temporal arteritis literally means "inflammation of the temporal arteries." As implied by the name, these blood vessels run along the temples after they branch off from the carotid artery in the neck. They provide the blood supply to portions of the scalp, jaw muscles, and[…][]

  • Traumatic Aortic Rupture

    Traumatic aortic rupture (TAR) is a pathological entity with a high mortality, both spontaneous and perioperative. Delayed surgical repair has been proposed when associated lesions are stabilized. The aim of this study was to validate MRI for detecting both the presence and type of TAR and to monitor posttraumatic[…][]

  • Patent Ductus Arteriosus

    History As discussed in Pathophysiology, the ductus arteriosus is always patent in the fetus if the cardiovascular system is otherwise normal. Normally, the ductus arteriosus closes functionally in the first 10-18 hours of life. Prematurity, perinatal distress, and hypoxia delay closure of the ductus arteriosus;[…][]

  • Discrete Fibromuscular Subaortic Stenosis

    The heart size is usually normal in children, but a dilated ascending aorta or a prominent aortic knob may be seen occasionally in valvular AS, resulting from poststenotic[]

  • Cystic Medial Necrosis of the Aorta

    Noninvasive Imaging TAAs are often noted incidentally on chest x-ray as a widened mediastinum or a prominent aortic knob.[]

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