Doctor insights on:
What Are Normal Cardiac Output Levels
5 liters/min: A typical cardiac output is approximately 5 l per minute. This can vary with the size of the patient with a larger patient having larger cardiac output. When the cardiac output is normalized for the size of the patient, this is called the cardiac index. A typical cardiac index would be 2.5. A number of medical conditions, such as fever or anemia, can increase the cardiac output. ...Read moreSee 1 more doctor answer
Can being a prior endurance athlete (but not currently trained) permanently affect cardiac output resulting in high numbers when all else is normal?
Athletic Heart: Interesting question! former athletes have been shown to have more left ventricular hypertrophy or thickened hearts that usually lessens with age and deconditioning. A thick heart can lead to poor heart filling by increased stiffness. A condition called diastolic dysfunction. This can lead to a type of congestive heart failure if it persists. Controlling hr and BP via meds can help. ...Read more
What numbers are considered as healthly or normal for cardiac output and cardiac index? CO of 7.5 and CI of 3.9 are "normal"? Many thanks
USE CI: CO is a measure of liters per minute and normal is 4-6.0 l/m. BUT if it lower than that, it may still be ok . A small pt may get along just fine with a lower CO and a lager pt may need more than 6l/m. SO.. we correct for body surface area and get a CI and 2-4 l/m/m2. so 3.9 is prob just fine. of course clinical correlation is needed. The causes of low and high values are beyond the scope of this. ...Read more
25-30 L/min.: There are many variables. Cardiac output is stroke vol. X heart rate. At rest stroke vol. Is about 70 ml and rate is about 70 beats/min. During exercise cardiac output can be increased by about 5-6 times. The ability to increase cardiac output with exercise decreases with age due to decreased maximal blood volume capacity in the left ventricle (stroke vol.) and decreased maximal heart rate. ...Read moreSee 1 more doctor answer
Levels = volumes?: Blood levels meaning blood volumes? Cardiac output is the volume of blood being pumped by the heart per minute. It is calculated by stroke volume x heart rate. Stroke volume is the volume of blood pumped from one ventricle of the heart with each beat. ...Read moreSee 1 more doctor answer
Not directly: Cardiac output is the amount of blood flow generated by the heart over a given time frame. Potassium is a critical electrolyte for body health and cardiac function, especially its rhythm. Although high or low potassium levels can create major, potentially fatal, irregularities in the heart rhythm, those levels do not directly affect the cardiac output per se. ...Read moreSee 1 more doctor answer
Related but not the : Same. Co is a mathematical calculation of the amount of blood pump by the left ventricle of your heart in one minute ( stroke volume x hr ). The ejection fraction is a measurement of the percentage of blood leaving your left ventricle every time contract. Can be measure by 2d echocardiogram, cardiac catheterization, nuclear scan, mri. Hope it help. ...Read moreSee 1 more doctor answer
Exercise: In order to facilitate the increase in oxygen demand of the muscles during exercise, the heart rate and volume of blood per beat will go up. Cardiac output is the product of heart rate times stroke volume. Therefore cardiac output will increase with exercise. ...Read moreSee 1 more doctor answer
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