SAGES 2017
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The document announces Surgical Spring Week, the annual conference of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) to be held March 22-25, 2017 in Houston, TX. The conference will feature scientific sessions and postgraduate courses with Dr. Horacio Asbun serving as Program Chair and Dr. Melina Vassiliou as Program Co-Chair.
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Interventional radiology is a medical specialty that uses imaging techniques, such as X-rays, CT scans, and ultrasound, to guide minimally invasive procedures to diagnose and treat a variety of conditions. These procedures can be an alternative to open surgery, often resulting in shorter recovery times for patients.
Heart Valves and Heart Sounds -Congenital & valvular heart disease.pdf
This presentation, authored by Dr. Faiza, Assistant Professor of Physiology at CIMS Multan, delivers an in-depth analysis of heart valves, heart sounds, valvular heart diseases, and congenital heart defects. It begins by distinguishing between normal and abnormal heart sounds, elucidating the timing and causes of the four heart sounds—S1, S2, S3, and S4—and their clinical significance. Detailed explanations are provided on the auscultation sounds that define conditions such as mitral stenosis, mitral insufficiency, aortic stenosis, and aortic insufficiency, with a focus on how these pathological changes affect cardiac mechanics and blood pressure.
The presentation delves into abnormal heart sounds, known as murmurs, categorizing them by their causes, which include valvular lesions, rheumatic fever, aging, congenital heart diseases, viral infections during pregnancy, and hereditary factors. It explores the various types of murmurs, their timing within the cardiac cycle, and their association with specific valvular heart diseases such as stenosis and regurgitation. The intricate relationship between systolic and diastolic murmurs and conditions like anemia and ventricular septal defects is also highlighted.
Further, the presentation covers the pathophysiology of congenital heart diseases, offering a comprehensive review of conditions such as Tetralogy of Fallot and Patent Ductus Arteriosus. It explains the mechanisms of these diseases, their impact on cardiac function, and the clinical manifestations observed in affected individuals. The physiological adjustments of the circulatory system during exercise in patients with valvular lesions are discussed, emphasizing the reduced cardiac reserve and the risk of acute pulmonary edema.
Special attention is given to the compensatory mechanisms of the heart in response to valvular diseases, including the development of concentric and eccentric hypertrophy, increased venous return, and the eventual progression to heart failure. The presentation also examines rheumatic valvular lesions, aging-related aortic stenosis, and the specific challenges posed by these conditions, such as reduced stroke volume and increased metabolic demand.
This thorough exploration of heart sounds, valvular diseases, and congenital defects is designed to enhance understanding and clinical acumen, making it a valuable resource for medical students, healthcare professionals, and educators in the field of cardiology and physiology.
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