Hemodynamic
Hemodynamic
Hemodynamic (pronunciation: /he·mo·dy·nam·ic/), derived from the Greek words "haima" meaning blood and "dynamikos" meaning powerful, refers to the physical principles governing the circulation of blood in the body.
Hemodynamics involves the study of the forces the heart has to develop to circulate blood through the cardiovascular system. It is a vital aspect of cardiology, the branch of medicine dealing with disorders of the heart and parts of the circulatory system.
Overview
Hemodynamics encompasses several key aspects of circulation, including blood pressure, heart rate, blood flow, and cardiac output. These factors are crucial in assessing the health of a patient's cardiovascular system.
Blood Pressure
Blood pressure is the force exerted by circulating blood on the walls of blood vessels. It is one of the principal vital signs.
Heart Rate
Heart rate is the speed of the heartbeat measured by the number of contractions (beats) of the heart per minute (bpm).
Blood Flow
Blood flow is the continuous circulation of blood in the cardiovascular system.
Cardiac Output
Cardiac output is the amount of blood the heart pumps through the circulatory system in a minute.
Related Terms
- Cardiovascular system: The organ system that circulates blood throughout the body.
- Cardiology: The branch of medicine dealing with disorders of the heart and parts of the circulatory system.
- Vascular resistance: The resistance that must be overcome to push blood through the circulatory system and create flow.
See Also
External links
- Medical encyclopedia article on Hemodynamic
- Wikipedia's article - Hemodynamic
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