heart rate reserve in CPET related: cardiopulmonary exercise test CPET tags: #permanent #pulmonary HRR=HRmax−HRpeakHRR = HR_{max} - HR_{peak}HRR=HRmax−HRpeak HRR: heart rate reserve normal should be less than 5% 1 Links to this note cardiopulmonary exercise test CPET heart rate reserve in CPET Footnotes A Practical Approach? ↩