Why the study?
Does exercise alter left ventricular long- and short-axis function and how does it relate to heart rate in healthy elderly individuals?
Does exercise alter left ventricular long- and short-axis function and how does it relate to heart rate in healthy elderly individuals?
Left ventricular long- and short-axis functions respond differently to varying exercise workloads and heart rate changes, which must be accounted for during the interpretation of stress echocardiography.
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Differential long- versus short-axis LV responses may warrant consideration in stress echocardiography; extends normal exercise physiology data but leaves open disease relevance.
Quintana et al. (2004) studied this question.
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