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Cardiology is a branch of medicine that deals with the disorders of the heart as well as some parts of the circulatory system. The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease and electrophysiology. Physicians who specialize in this field of medicine are called cardiologists, a specialty of internal medicine. Pediatric cardiologists are pediatricians who specialize in cardiology. Physicians who specialize in cardiac surgery are called cardiothoracic surgeons or cardiac surgeons, a specialty of general surgery.
Aortic stenosis is the narrowing of the exit of the left ventricle of the heart, such that problems result. It may occur at the aortic valve as well as above and below this level. It typically gets worse over time. Symptoms often come on gradually with a decreased ability to exercise often occurring first. If heart failure, loss of consciousness, or heart related chest pain occur due to AS the outcomes are worse. Loss of consciousness typically occurs with standing or exercising. Signs of heart failure include shortness of breath especially when lying down, at night, or with exercise, and swelling of the legs. Thickening of the valve without narrowing is known as aortic sclerosis.
The mitral valve, also known as the bicuspid valve or left atrioventricular valve, is a valve with two flaps in the heart that lies between the left atrium and the left ventricle. The mitral valve and the tricuspid valve are known collectively as the atrioventricular valves because they lie between the atria and the ventricles of the heart.
An echocardiography, echocardiogram, cardiac echo or simply an echo, is an ultrasound of the heart. It is a type of medical imaging of the heart, using standard ultrasound or Doppler ultrasound.
Rheumatic fever (RF) is an inflammatory disease that can involve the heart, joints, skin, and brain. The disease typically develops two to four weeks after a streptococcal throat infection. Signs and symptoms include fever, multiple painful joints, involuntary muscle movements, and occasionally a characteristic non-itchy rash known as erythema marginatum. The heart is involved in about half of the cases. Damage to the heart valves, known as rheumatic heart disease (RHD), usually occurs after repeated attacks but can sometimes occur after one. The damaged valves may result in heart failure, atrial fibrillation and infection of the valves.
Mitral valve prolapse (MVP) is a valvular heart disease characterized by the displacement of an abnormally thickened mitral valve leaflet into the left atrium during systole. It is the primary form of myxomatous degeneration of the valve. There are various types of MVP, broadly classified as classic and nonclassic. In severe cases of classic MVP, complications include mitral regurgitation, infective endocarditis, congestive heart failure, and, in rare circumstances, cardiac arrest.
Infective endocarditis is an infection of the inner surface of the heart, usually the valves. Signs and symptoms may include fever, small areas of bleeding into the skin, heart murmur, feeling tired, and low red blood cell count. Complications may include backward blood flow in the heart, heart failure – the heart struggling to pump a sufficient amount of blood to meet the body's needs, abnormal electrical conduction in the heart, stroke, and kidney failure.
Mitral stenosis is a valvular heart disease characterized by the narrowing of the orifice of the mitral valve of the heart. It is almost always caused by rheumatic valvular heart disease. Normally, the mitral valve is about 5 cm2 during diastole. Any decrease in area below 2 cm2 causes mitral stenosis. Early diagnosis of mitral stenosis in pregnancy is very important as the heart cannot tolerate increased cardiac output demand as in the case of exercise and pregnancy. Atrial fibrillation is a common complication of resulting left atrial enlargement, which can lead to systemic thromboembolic complications like stroke.
Aortic insufficiency (AI), also known as aortic regurgitation (AR), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. As a consequence, the cardiac muscle is forced to work harder than normal.
Mitral regurgitation (MR), also known as mitral insufficiency, or mitral incompetence is a form of valvular heart disease in which the mitral valve does not close properly when the heart pumps out blood. It is the abnormal leaking of blood backwards from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts, i.e. there is regurgitation of blood back into the left atrium. MR is the most common form of valvular heart disease.
Libman–Sacks endocarditis (LSE) is a form of non-bacterial endocarditis that is seen in association with systemic lupus erythematosus (SLE), antiphospholipid syndrome, and malignancies. It is one of the most common heart-related manifestations of lupus.
The chordae tendineae , colloquially known as the heart strings, are tendon-resembling fibrous cords of connective tissue that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.
Valvular heart disease is any cardiovascular disease process involving one or more of the four valves of the heart. These conditions occur largely as a consequence of aging, but may also be the result of congenital (inborn) abnormalities or specific disease or physiologic processes including rheumatic heart disease and pregnancy.
The pericardial sinuses are impressions in the pericardial sac formed between the points where great vessels enter it.
Eugene Braunwald is an Austrian-born American cardiologist.
Paul N. Yu was an American cardiologist, physician-scientist and educator of Chinese descent, and a product of Chinese, British and American medical education. Over a career spanning several decades he trained numerous individuals in clinical cardiology who went on to leadership positions in academia throughout this country.
David H. Adams is an American cardiac surgeon and the Marie-Josée and Henry R. Kravis Professor and Chairman of the Department of Cardiothoracic Surgery, Icahn School of Medicine at Mount Sinai Hospital in New York City. Dr. Adams is a recognized leader in the field of heart valve surgery and mitral valve reconstruction. As director of Mount Sinai Mitral Valve Repair Center, he has set national benchmarks with >99% degenerative mitral valve repair rates, while running one of the largest valve repair programs in the United States. Dr. Adams is the co-inventor of 2 mitral valve annuloplasty repair rings – the Carpentier-McCarthy-Adams IMR ETlogix Ring and the Carpentier-Edwards Physio II Annuloplasty Ring, and is a senior consultant with royalty agreements with Edwards Lifesciences. He is also the inventor of the Tri-Ad Adams Tricuspid Annuloplasty ring with a royalty agreement with Medtronic. He is a co-author with Professor Alain Carpentier of the benchmark textbook in mitral valve surgery Carpentier's Reconstructive Valve Surgery. He is also the National Co-Principal Investigator of the FDA pivotal trial of the Medtronic-CoreValve transcatheter aortic valve replacement device.
Right heart strain is a medical finding of right ventricular dysfunction where the heart muscle of the right ventricle (RV) is deformed. Right heart strain can be caused by pulmonary hypertension, pulmonary embolism, RV infarction, chronic lung disease, pulmonic stenosis, bronchospasm, and pneumothorax.
Shahbudin Rahimtoola was a cardiologist based in Los Angeles, United States. He served as Distinguished Professor at the Keck School of Medicine, University of Southern California. Rahimtoola was credited for his contribution to two clinical syndromes namely the hibernating myocardium and 'prosthetic valve-mismatch'.
Ankur Kalra is an Indian interventional cardiologist and research scholar specialised in advanced interventional and structural cardiology, cardiovascular disease, and internal medicine.
References
- ↑ "Catherine Mary Otto, MD". MedicineNet, Inc. Retrieved 1 February 2021.
- ↑ Emery, Gene (20 July 1999). "Stiff valve is warning sign". Detroit Free Press. Reuters. p. 14F. Retrieved 4 January 2019.
- ↑ Greenberg, Brigitte (2 October 1999). "Hardening of a tiny valve may predict future heart disease". The Leader-Post. Regina, Saskatchewan. p. D5. Retrieved 4 January 2019.
- ↑ Nano, Stephanie (2005-03-03). "Study suggests surgery". Wilmington Star News. Associated Press. Retrieved 2021-07-12.
- ↑ Templer, Laura (2013). "Introducing the Heart Editorial Board". Heart. 100 (1): 6–11. doi:10.1136/heartjnl-2013-305254. S2CID 71582467.
- ↑ "Marriage Certificate". Washington State Archives (447174). Olympia, Washington. 11 April 1979.
