What two factors determine cardiac output?
Cardiac output is the product of heart rate (HR) and stroke volume (SV) and is measured in liters per minute. HR is most commonly defined as the number of times the heart beats in one minute.
What are the factors affecting heart rate?
Keep in mind that many factors can influence heart rate, including:
- Fitness and activity levels.
- Being a smoker.
- Having cardiovascular disease, high cholesterol or diabetes.
- Air temperature.
- Body position (standing up or lying down, for example)
- Body size.
Which of the following factors increase heart rate?
Stress and anxiety can raise your heart rate. It may also go up when you’re very happy or sad. Body size. People who have severe obesity can have a slightly faster pulse.
How do you calculate your heart rate?
At the wrist, lightly press the index and middle fingers of one hand on the opposite wrist, just below the base of the thumb. At the neck, lightly press the side of the neck, just below your jawbone. Count the number of beats in 15 seconds, and multiply by four. That’s your heart rate.
What two factors determine cardiac output for a ventricle quizlet?
What two factors determine cardiac output? The stroke volume and the heart rate.