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Dennis Lawrence Kuchar (b. 7 June 1956 - d. 7 May 2022) was a cardiologist based in Sydney, Australia. He performed research on the signal averaged ECG. This research laid the groundwork for the current paradigm of ECG use for prediction of sudden death.
Kuchar grew up in Coogee, where he attended Coogee Public School. He graduated with an MB BS (Honors) from Sydney University in 1978. In 1987, at the age of 29, he received his MD from Sydney University and FRACP from the Royal Australasian College of Physicians.
Kuchar is associated with St Vincent's Hospital, Victor Chang Cardiac Research Institute and St Vincent's Heart, specializing in cardiac arrhythmias, catheter ablation, pacemakers and implantable cardioverter-defibrillators. Mentored by Victor Chang, Kuchar was involved the heart transplant of Fiona Coote.
Kuchar made news in April 2007 when he noted that the new Lexus autolocking technology system could interfere with the settings of implantable defibrillators, with potentially fatal consequences. [1]
Dr. Kuchar's appointments include: [2]
Kuchar has over 50 professional publications to his credit.
In addition to his work in cardiology, Kuchar is a painter whose artwork has been published and shown in a number of Sydney locations.
Kuchar married Dianne Neuhauser of Melbourne in 1978. The two have a daughter, Cara, born 2 August 1982, and two sons, Ari Emil, born in 1984, and Natan Eli, born 2 June 1988.
An artificial cardiac pacemaker is a medical device, nowadays always implanted, that generates electrical pulses delivered by electrodes to one or more of the chambers of the heart, the upper atria or lower ventricles. Each pulse causes the targeted chamber(s) to contract and pump blood, thus regulating the function of the electrical conduction system of the heart.
Brugada syndrome (BrS) is a genetic disorder in which the electrical activity of the heart is abnormal due to channelopathy. It increases the risk of abnormal heart rhythms and sudden cardiac death. Those affected may have episodes of syncope. The abnormal heart rhythms seen in those with Brugada syndrome often occur at rest. They may be triggered by a fever.
Victor Peter Chang, AC, was a Chinese-born Australian cardiac surgeon and a pioneer of modern heart transplantation in Australia. His sudden murder in 1991 stunned Australia, and is considered one of the most notorious in the country's history. Chang was given a state funeral, and in 1999, he was voted Australian of the Century at the People's Choice Awards.
Cardiac electrophysiology is a branch of cardiology and basic science focusing on the electrical activities of the heart. The term is usually used in clinical context, to describe studies of such phenomena by invasive (intracardiac) catheter recording of spontaneous activity as well as of cardiac responses to programmed electrical stimulation - clinical cardiac electrophysiology. However, cardiac electrophysiology also encompasses basic research and translational research components. Specialists studying cardiac electrophysiology, either clinically or solely through research, are known as cardiac electrophysiologists.
T wave alternans (TWA) is a periodic beat-to-beat variation in the amplitude or shape of the T wave in an electrocardiogram TWA was first described in 1908. At that time, only large variations could be detected. Those large TWAs were associated with increased susceptibility to lethal ventricular tachycardias.
Clinical cardiac electrophysiology (also referred to as cardiac electrophysiology, is a branch of the medical specialty of cardiology concerned with the study and treatment of rhythm disorders of the heart. Cardiologists with expertise in this area are usually referred to as electrophysiologists. Electrophysiologists are trained in the mechanism, function, and performance of the electrical activities of the heart. Electrophysiologists work closely with other cardiologists and cardiac surgeons to assist or guide therapy for heart rhythm disturbances. They are trained to perform interventional and surgical procedures to treat cardiac arrhythmia.
The Victor Chang Cardiac Research Institute (VCCRI) is an Australian non-profit medical research facility that is dedicated to finding cures for cardiovascular disease. With headquarters located in Darlinghurst, New South Wales, the research hub is home to more than 20 research laboratories and the Victor Chang Cardiac Research Institute Innovation Centre. The institute's mission is "the relief of pain and suffering, and the promotion of well-being, through an understanding of the fundamental mechanisms of cardiovascular disease". Its key research is focused on the prevention and treatment of various heart diseases, including arrhythmia, cardiac arrest, cardiomyopathy, congenital heart disease, heart attack, heart failure, high cholesterol, obesity, spontaneous coronary artery dissection (SCAD) and stroke.
Cardiac monitoring generally refers to continuous or intermittent monitoring of heart activity to assess a patient's condition relative to their cardiac rhythm. Cardiac monitoring is usually carried out using electrocardiography, which is a noninvasive process that records the heart's electrical activity and displays it in an electrocardiogram. It is different from hemodynamic monitoring, which monitors the pressure and flow of blood within the cardiovascular system. The two may be performed simultaneously on critical heart patients. Cardiac monitoring for ambulatory patients is known as ambulatory electrocardiography and uses a small, wearable device, such as a Holter monitor, wireless ambulatory ECG, or an implantable loop recorder. Data from a cardiac monitor can be transmitted to a distant monitoring station in a process known as telemetry or biotelemetry.
Morton Maimon Mower was an American cardiologist specializing in electrophysiology and the co-inventor of the automatic implantable cardioverter defibrillator. He served in several professional capacities at Sinai Hospital and Cardiac Pacemakers Inc. In 1996, he became the chairman and chief executive officer of Mower Research Associates. He was inducted into the National Inventors Hall of Fame in 2002 for the development of the automatic implantable cardioverter defibrillator with Michel Mirowski in the 1970s. He continued his research in the biomechanical engineering laboratories at Johns Hopkins University.
Alois A. Langer is an American biomedical engineer best known as one of the co-inventors of the Implantable Cardioverter Defibrillator (ICD).
A wearable cardioverter defibrillator (WCD) is a non-invasive, external device for patients at risk of sudden cardiac arrest (SCA). It allows physicians time to assess their patient's arrhythmic risk and make appropriate plans. It is a leased device. A summary of the device, its technology and indications was published in 2017 and reviewed by the EHRA Scientific Documents Committee.
Automated ECG interpretation is the use of artificial intelligence and pattern recognition software and knowledge bases to carry out automatically the interpretation, test reporting, and computer-aided diagnosis of electrocardiogram tracings obtained usually from a patient.
Jonathan L. Halperin is an American cardiologist and the author of Bypass (ISBN 0-89586-509-2), among the most comprehensive works on the subject of coronary artery bypass surgery. In addition, he is the Robert and Harriet Heilbrunn Professor of Medicine at The Mount Sinai School of Medicine as well as Director of Clinical Cardiology in the Zena and Michael A. Wierner Cardiovascular Institute at The Mount Sinai Medical Center, both in New York City. Halperin was the principal cardiologist responsible for both the design and execution of the multi-center Stroke Prevention in Atrial Fibrillation (SPAF) clinical trials, funded by the National Institutes of Health, which helped develop antithrombotic strategies to prevent stroke, and he subsequently directed the SPORTIF clinical trials, which evaluated the first oral direct thrombin inhibitor for prevention of stroke in patients with atrial fibrillation.
Frank I. Marcus was an American cardiologist and Emeritus Professor of Medicine at the University of Arizona Health Sciences Center, the author of more than 290 publications in peer-reviewed medical journals and of 90 book chapters. He was considered a world expert on arrhythmogenic right ventricular cardiomyopathy (ARVC) and was a member of the Editorial/Scientific Board of 14 Cardiovascular Journals as well as a reviewer for 26 other medical publications.
Yaariv Khaykin is a Canadian cardiologist and a clinical researcher in the area of electrophysiology. He is the director of the Newmarket Electrophysiology Research Group at the Southlake Regional Health Centre. He has published research into complex ablation and pioneered cardiac ablation methods.
Nagarur Gopinath was an Indian surgeon and one of the pioneers of cardiothoracic surgery in India. He is credited with the first successful performance of open heart surgery in India which he performed in 1962. He served as the honorary surgeon to two Presidents of India and was a recipient of the fourth highest Indian civilian award of Padma Shri in 1974 and Dr. B. C. Roy Award, the highest Indian medical award in 1978 from the Government of India.
Kewal Kishan Talwar is an Indian cardiologist, medical academic and writer, and a former chairman of the Medical Council of India. He is a former director of the Post Graduate Institute of Medical Education and Research (PGIMER) and is reported to have performed the first implantation of Implantable cardioverter-defibrillator (ICD) therapy in South Asia. He is also credited with the introduction of Cardiac Resynchronization Therapy in India. He is a recipient of several honours including B. C. Roy Award, the highest Indian award in the medical category. The Government of India awarded him the third highest civilian honour of the Padma Bhushan, in 2006, for his contributions to medicine. Presently Dr. Talwar is working in PSRI Hospital Sheikh Sarai, New Delhi as the chairman of Cardiac Sciences
Dr. Béla Merkely is a Hungarian interventional cardiologist and sports cardiologist, a university professor, director of Semmelweis University's Heart and Vascular Centre and the current rector of Semmelweis University since 1 July 2018.
Robert Michael Graham AO, FAA, FAHMS is an Australian-born clinician-scientist. He is the Des Renford Professor of Medicine at University of New South Wales and the Head of the Molecular Cardiology and Biophysics Division at Victor Chang Cardiac Research Institute.
Jason C. Kovacic is an Australian-born cardiologist and physician-scientist; the Robert Graham Chair and Professor of Medicine, University of New South Wales; Executive Director of the Victor Chang Cardiac Research Institute in Sydney, Australia; and Professor of Medicine (Cardiology) at the Icahn School of Medicine at Mount Sinai, New York.
