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  2. Rate pressure product - Wikipedia

    en.wikipedia.org/wiki/Rate_pressure_product

    The calculation formula is: Rate Pressure Product (RPP) = Heart Rate (HR) * Systolic Blood Pressure (SBP) The units for the Heart Rate are beats per minute and for the Blood Pressure mmHg . Rate pressure product is a measure of the stress put on the cardiac muscle based on the number of times it needs to beat per minute (HR) and the arterial ...

  3. Heart rate monitor - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_monitor

    A heart rate monitor (HRM) is a personal monitoring device that allows one to measure/display heart rate in real time or record the heart rate for later study. It is largely used to gather heart rate data while performing various types of physical exercise. Measuring electrical heart information is referred to as electrocardiography (ECG or EKG).

  4. iPhone SE (3rd generation) - Wikipedia

    en.wikipedia.org/wiki/IPhone_SE_(3rd_generation)

    The third-generation iPhone SE has a similar design to the iPhone 8 and similar internal hardware components to the iPhone 13 series, including the A15 Bionic system-on-chip [10] and 5G connectivity. The third-generation iPhone SE is the last iPhone to feature 4 GB of RAM, as well as 64 GB of internal storage, a Home Button with Touch ID, and ...

  5. Multiple integral - Wikipedia

    en.wikipedia.org/wiki/Multiple_integral

    Just as the definite integral of a positive function of one variable represents the area of the region between the graph of the function and the x-axis, the double integral of a positive function of two variables represents the volume of the region between the surface defined by the function (on the three-dimensional Cartesian plane where z = f(x, y)) and the plane which contains its domain. [1]

  6. 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 ...

  7. Parents of Olympic athletes are wearing heart rate monitors ...

    www.aol.com/lifestyle/parents-olympic-athletes...

    The monitor showed his heart rate was at 164 beats per minute (bpm) at the start of his daughter’s routine. But his heart rate jumped up to 181 bpm as he continued to watch.

  8. Fubini's theorem - Wikipedia

    en.wikipedia.org/wiki/Fubini's_theorem

    If f is the characteristic function of the diagonal of X×Y, then integrating f along X gives the 0 function on Y, but integrating f along Y gives the function 1 on X. So, the two iterated integrals are different. This shows that Tonelli's theorem can fail for spaces that are not σ-finite no matter which product measure is chosen.

  9. Volume form - Wikipedia

    en.wikipedia.org/wiki/Volume_form

    In other words, a volume form gives rise to a measure with respect to which functions can be integrated by the appropriate Lebesgue integral. The absolute value of a volume form is a volume element, which is also known variously as a twisted volume form or pseudo-volume form. It also defines a measure, but exists on any differentiable manifold ...