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7 results for “heart”

Formulae (7)

CO = HR \times SV

Blood pumped by the heart per minute.

HR_{max} = 220 - a

Estimated maximum heart rate by age.

HR_{target} = (HR_{max} - HR_{rest})\,I + HR_{rest}

Training heart rate at intensity I.

QTc = \frac{QT}{\sqrt{RR}}

Heart-rate-corrected QT interval from an ECG.

HR_{max} = 208 - 0.7\,a

A more accurate maximum heart rate estimate.

HRR = HR_{max} - HR_{rest}

The usable range between rest and maximum heart rate.

QTc = \frac{QT}{\sqrt[3]{RR}}

Heart-rate-corrected QT interval using a cube root.