CARDIAC VOLUME Meaning and
Definition
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Cardiac volume refers to the amount of blood pumped by the heart in a specific time period, typically measured in milliliters per minute. It is an essential physiological parameter used in assessing the overall function and efficiency of the heart as a pump.
The heart is responsible for circulating oxygenated blood throughout the body to deliver vital nutrients and remove waste products. Cardiac volume measures the total quantity of blood that is ejected from the heart's main pumping chamber, known as the left ventricle, with each contraction.
Cardiac volume is determined by two main factors: stroke volume and heart rate. Stroke volume refers to the amount of blood ejected from the left ventricle with each heartbeat, while heart rate signifies the number of times the heart contracts in a minute. Multiplying the stroke volume by the heart rate gives the cardiac volume.
Monitoring cardiac volume is crucial in diagnosing and managing various cardiovascular conditions. Abnormalities in cardiac volume can indicate heart failure, where the heart is unable to pump enough blood to meet the body's demands. Additionally, cardiac volume is used to evaluate the effectiveness of therapies such as medications or interventions aimed at improving heart function.
Clinicians often assess cardiac volume through various non-invasive techniques such as echocardiography, which uses ultrasound to visualize the heart's structure and function. Other methods include nuclear medicine scans, magnetic resonance imaging (MRI), or invasive procedures like cardiac catheterization.
In summary, cardiac volume is a crucial measure that gauges the total quantity of blood pumped by the heart per unit of time, serving as an indicator of overall cardiovascular health and function.
Common Misspellings for CARDIAC VOLUME
- xardiac volume
- vardiac volume
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- dardiac volume
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- carfiac volume
- carriac volume
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Etymology of CARDIAC VOLUME
The word "cardiac" comes from the Greek word "kardia", meaning heart. It is derived from the same root as "cardio" and "cardiology".
The word "volume" originates from the Latin word "volumen", meaning roll or scroll. In the context of cardiac volume, it refers to the capacity or amount of blood being pumped by the heart within a specific period.
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