Publication

Mathematical modelling of the cardiovascular system and skeletal muscle interaction during exercise

2005
Conference Papers

Abstract

In this work we present a mathematical model for the coupling of cardiovascular system and metabolism under sport efforts. Effects such as oxygenation, heart rates, flow rates, blood pressure and mass transfer to tissues will be considered. A special attention will be payed to the modelling of the regulatory mechanisms (baroreflex and chemoreflex effectors) affecting the heart and the peripheral circulation. We aim at extending the existing models to describe metabolism, hemodynamics and mass transport during exercise, providing a framework to understand their mutual interactions. Numerical issues are presented for different workloads, and a quantitative analysis of dynamic aerobic exercise is discussed.

Official source

https://infoscience.epfl.ch/entities/publication/784198b7-a5d6-4211-8012-578c3e625697

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2005
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/784198b7-a5d6-4211-8012-578c3e625697

About this result

Related concepts (32)

Heart

The heart is a muscular organ in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. In humans, other mammals, and birds, the heart is divided into four chambers: upper left and right atria and lower left and right ventricles.

Heart rate

Heart rate (or pulse rate) is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute, or bpm). The heart rate can vary according to the body's physical needs, including the need to absorb oxygen and excrete carbon dioxide, but is also modulated by numerous factors, including (but not limited to) genetics, physical fitness, stress or psychological status, diet, drugs, hormonal status, environment, and disease/illness as well as the interaction between and among these factors.

Heart failure

Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome, a group of signs and symptoms, caused by an impairment of the heart's blood pumping function. Symptoms typically include shortness of breath, excessive fatigue, and leg swelling. The shortness of breath may occur with exertion or while lying down, and may wake people up during the night. Chest pain, including angina, is not usually caused by heart failure, but may occur if the heart failure was caused by a heart attack.

Related publications (22)

Mathematical modelling of the cardiovascular system and skeletal muscle interaction during exercise

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