WebMar 15, 2024 · Chronotropic response to exercise was defined as the percentage of chronotropic index ([maximum heart rate - resting heart rate] / [220 - age - resting heart … WebChronotropic index was defined as an index of maximal predicted HR reserve achieved. 11 The percentage of HR reserve used at peak exercise referred to ... Fang F, Yip GW, et al. Importance of chronotropic response and left ventricular long-axis function for exercise performance in patients with heart failure and preserved ejection fraction.
Chronotropic incompetence and autonomic dysfunction in …
WebCompared with normal chronotropic group, FEV 1 %pred and exercise capacity decreased more significantly in chronotropic incompetence group. chronotropic response index was significant associated with FEV 1 %pred and peak VO 2 %pred.multivariate regression analysis shows chronotropic response index and FEV 1 %pred were independent … WebMay 1, 2024 · Conclusions: Low chronotropic response index (CRI<0.8) and low Heart rate recovery at 1 minutes after exercise (HRR 1 <18 beats/min) are independently predictive of cardiac events and combining number of segments with perfusion defects may improve the accuracy of risk stratification of exercise gated 99mTc-MIBI SPECT. Except … how many nba players are from seattle
Chronotropic incompetence and its relation to exercise …
WebFeb 13, 2010 · For diagnosis of chronotropic incompetence, one of the following three criteria had to be met: failure to reach 85% of the MPHR, a heart rate reserve of <80%, or a chronotropic response index below 0.80 at submaximum workload. Out of 172 test subjects, 72 (41.9%) were found to have chronotropic incompetence. WebThe equation for estimation of reference values for CI was as follows: CI i = 106.9 + 0.16 × age i + 14.3 × sex i − 0.31 × height i − 0.24 × weight i. where age was expressed in … WebChronotropic index was calculated as an index of HR reserve achieved, by using the equation (220-age) for estimating maximum HR. A sensitivity analysis using an equation … how many nba players 20 seasons