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Fick Equation Cardiac Output Calculator
Multiple things: Cardiac output is the product of heart rate in stroke volume. Thus, an increase in heart rate results in an increase in cardiac output. Stroke volume can be affected by changes in preload, afterload, and contractility (strength of contraction). Preload is "priming the pump". Afterload is the resistance to ejection during systole (contraction). ...Read moreSee 1 more doctor answer
Starling mechanism: You mean how does venous pressure regulate cardiac output.similar to the Starling mechanism-by increasing pre load. Up to a certain point cardiac output is directionally proportional to venous pressure assuming that everything else is the same such as the after load or cardiac contractility ...Read more
Clarify:cardiac output too high at rest? Echo:stroke volume 100ml by 70 bpm, that means cardiac out:7l/min; cardiac index would be 3, 57l/min*m2.Txs
High Cardiac Output: Cardiac output is calculated by multiplying stroke volume by heart rate. Since the amount of blood pumped by the heart is dependent on body surface area ie. A larger person needs more blood supply. If it is more than 6l/min in an average person, at rest , and associated with symptoms, the cause must be looked into. ...Read moreSee 1 more doctor answer
Is my cardiac output too high? Results from echo:stroke volume 100ml, by 70 bpm, that means cardiac out:7l/min; cardiac index would be 3, 57l/min*m2.
Cardiac output: Basically an increase in demand for oxygen by the body. This may be physiological (exercise) or pathological (sepsis - infection - fever) or increased metabolism (hyper active thyroid gland - hyperthyroidism) or abnormal conducts (shunting of blood). ...Read moreSee 1 more doctor answer
Hello, is normal overall heart ejection fraction 65% (according the measuring from heart echo device)?
Yes: Completely, 100% normal!Get a more detailed answer ›
Which value of cardiac output is considered high?My stroke volume 90ml, by 75 bpm, that means cardiac out:6, 7l/min;cardiac index would be 3, 5l/min*m2.Tx
Cardiac Output: Numbers such as you list can be normal especially in a smoker. Numbers alone without clinical correlation don't necessarily mean a lot. You should discuss these data with the physician(s) who know you and your specifics. ...Read more
What is the physiology that explains how a high heart rate influences coronary artery perfusion and myocardial oxygen delivery?
Two ways: It can cause the heart muscle to get thick and stiff so that it does not relax and fill up with blood properly. It could also cause the heart muscle to become weak so that it does not squeeze or contract as forcefully. These are called diastolic dysfunction (too thick) or systolic dysfunction (weak and flabby). ...Read moreSee 1 more doctor answer
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