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  2. Cardiac index - Wikipedia

    en.wikipedia.org/wiki/Cardiac_index

    Cardiac index is a critical parameter in evaluating cardiac performance and the adequacy of tissue perfusion. In healthy adults, the normal range of cardiac index is generally between 2.6 to 4.2 L/min/m². Values below this range may indicate hypoperfusion and are often seen in conditions such as heart failure, hypovolemia, and cardiogenic shock.

  3. Velocity time integral - Wikipedia

    en.wikipedia.org/wiki/Velocity_time_integral

    Velocity Time Integral is a clinical Doppler ultrasound measurement of blood flow, equivalent to the area under the velocity time curve. The product of VTI (cm/stroke) and the cross sectional area of a valve (cm2) yields a stroke volume (cm3/stroke), which can be used to calculate cardiac output.

  4. Cardiac output - Wikipedia

    en.wikipedia.org/wiki/Cardiac_output

    Major factors influencing cardiac output – heart rate and stroke volume, both of which are variable. [1]In cardiac physiology, cardiac output (CO), also known as heart output and often denoted by the symbols , ˙, or ˙, [2] is the volumetric flow rate of the heart's pumping output: that is, the volume of blood being pumped by a single ventricle of the heart, per unit time (usually measured ...

  5. Here's How To Calculate Your Fat-Burning Heart Rate - AOL

    www.aol.com/heres-calculate-fat-burning-heart...

    Calculating your fat-burning heart rate isn't rocket science, but it requires some math. The first step is determining your maximum heart rate (MHR), which you can estimate by subtracting your age ...

  6. Heart rate - Wikipedia

    en.wikipedia.org/wiki/Heart_rate

    The Karvonen method factors in resting heart rate (HR rest) to calculate target heart rate (THR), using a range of 50–85% intensity: [54] THR = ((HR max − HR rest) × % intensity) + HR rest. Equivalently, THR = (HR reserve × % intensity) + HR rest. Example for someone with a HR max of 180 and a HR rest of 70 (and therefore a HR reserve of ...

  7. 10 Warning Signs of Prostate Cancer, According to Doctors - AOL

    www.aol.com/lifestyle/10-warning-signs-prostate...

    PSA levels between 4 and 10 suggest you could have about a 25 percent chance of prostate cancer, and levels over 10 signal that your chance of having the cancer is more than 50 percent.

  8. Pulse pressure - Wikipedia

    en.wikipedia.org/wiki/Pulse_pressure

    Pulse pressure is calculated as the difference between the systolic blood pressure and the diastolic blood pressure. [3] [4]The systemic pulse pressure is approximately proportional to stroke volume, or the amount of blood ejected from the left ventricle during systole (pump action) and inversely proportional to the compliance (similar to elasticity) of the aorta.

  9. Doctors Explain What Prostate Cancer Screenings Involve

    www.aol.com/doctors-explain-prostate-cancer...

    Prostate cancer screening typically involves a blood test to detect levels of prostate-specific antigen (PSA). Dr. Gittens says it’s a straightforward blood test.