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Author(s): Uchenna Ozo , Sanjay Sharma Added: 3 years ago
Athletes may occasionally succumb to sudden cardiac arrest because of a quiescent cardiac abnormality. These catastrophes are rare, affecting between 1 in 17,000 to 1 in 50,000 athletes, depending on the sporting discipline.1,2 Most deaths affect male athletes participating in explosive sports of a start–stop nature, such as basketball and soccer, and occur during or immediately after exercise.1… View more
Author(s): Andrew D’Silva , Michael Papadakis Added: 3 years ago
The evidence supporting the beneficial effects of physical activity on health is compelling. Regular exercise reduces cardiovascular mortality by 35 % and all-cause mortality by 33 %1 and confers an average of 7 years greater longevity.2 Most professional athletes, however, undertake doses of exercise that far exceed those recommended by the current evidence, which has been adopted by national… View more
Job title: University of Witwatersrand Johannesburg, South Africa, Consultant Vascular Surgeon Professor of Venous Surgery
Prof Stephen Black is a Consultant Vascular Surgeon at Guy’s and St Thomas’ Hospital and a Professor of Venous Surgery at Kings College, London. He is the Site Lead for Surgery at Guy’s and St Thomas’ Hospital and the Co-R&D Lead for the Cardiovascular Directorate (Cardiology, Cardio-Thoracic and Vascular Surgery). He was Clinical Lead for Vascular Surgery for 4 years (2019-2023).Dr Black is the… View more
Author(s): Christos-Konstantinos Antoniou , Polychronis Dilaveris , Panagiota Manolakou , et al Added: 3 years ago
Ventricular repolarization, as opposed to depolarization, is not a triggered phenomenon following an orderly sequence, hence the dissimilarity between their inscribed electrocardiographic waves; rather, ventricular myocytes repolarize at a time and rate determined by their intrinsic electrophysiological properties (relative concentration of ion channel types and isoforms), as well as by the… View more
Author(s): Aneil Malhotra , Sanjay Sharma Added: 3 years ago
Athletes who perform regular and intensive exercise regimes develop a variety of electrical and structural cardiac adaptations that manifest functionally to improve stroke volume and performance. Up to one-fifth of young athletes (aged between 14–35 years) reveal greater left ventricular (LV) wall thickness compared to sedentary controls, though the majority fall under 12 mm.1,2 A small… View more
Job title: Consultant Interventional Cardiologist
John Rawlins is a Consultant Interventional Cardiologist with a specialist interest in complex coronary and transcatheter valve intervention at University Hospital Southampton (UHS) NHS Trust, having been appointed in 2016. He currently leads the TAVI team at UHS.He qualified from Imperial College School of Medicine in 2003, having completed a BSc in Physiology at University College London in… View more
Author(s): Stefan Möhlenkamp , Raimund Erbel , Gerd Heusch Added: 3 years ago
Low to moderate amounts of regular physical activity reduce cardiovascular (CV) risk factor burden, improve morbidity of CV and other chronic diseases and reduce CV mortality.1–6 Aerobic endurance activities such as walking, jogging and running are popular and advocated ways to improve and maintain health across all age groups. Marathon running is an extreme form of such endurance exercise and… View more