CARDIAC OUTPUT Meaning and
Definition
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Cardiac output is a crucial physiological measurement that refers to the volume of blood pumped by the heart in one minute. It is an indicator of the heart's effectiveness in meeting the body's oxygen and nutrient demands. Cardiac output is calculated by multiplying stroke volume, the volume of blood pumped by the heart in one beat, by heart rate, the number of beats per minute.
The heart functions as a pump, continuously contracting and relaxing to circulate blood throughout the body. Cardiac output plays a crucial role in maintaining adequate blood flow to organs and tissues. It determines how efficiently the heart is able to supply oxygenated blood to meet the metabolic requirements of the body. Thus, a higher cardiac output indicates a more effective heart function, while a lower cardiac output suggests reduced blood flow and potential cardiovascular problems.
Cardiac output can be influenced by various factors, including physical activity, emotions, body size, and overall health. It is commonly measured using non-invasive methods such as echocardiography, Doppler ultrasound, or bioimpedance. These techniques provide valuable information on the heart's ability to pump blood effectively. Cardiac output can also be estimated indirectly by monitoring other cardiac parameters such as blood pressure, heart rate, and oxygen saturation.
Understanding and monitoring cardiac output is essential in the diagnosis and management of cardiovascular diseases, such as heart failure, shock, or cardiac arrest. Assessment of cardiac output helps healthcare professionals to evaluate the efficacy of treatments and interventions, as well as to track the progression or improvement of a patient's cardiovascular condition.
Common Misspellings for CARDIAC OUTPUT
- xardiac output
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- czrdiac output
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- carriac output
Etymology of CARDIAC OUTPUT
The word "cardiac output" has its roots in both Latin and Greek.
The term "cardiac" is derived from the Latin word "cardiācus", which itself is from the Greek word "kardiakos". It pertains to the heart or anything related to the heart.
The term "output" comes from the Latin word "outputare", which means "to bring out". It is composed of "out" and "putare" (to prune or reckon).
Therefore, "cardiac output" refers to the volume of blood pumped by the heart per unit of time, reflecting the amount of blood pushed out of the heart.
Similar spelling words for CARDIAC OUTPUT
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