There is a close relationship between left ventricular diastolic and systolic function;
左心室舒张与收缩功能密切相关；
Objective: to observe the value of speckle tracking imaging (STI) in assessing early changes in left ventricular diastolic and systolic function in patients with essential hypertension (EH).
目的：探讨斑点追踪显像(STI)技术评价原发性高血压(EH)患者早期左心室舒张及收缩功能改变的价值。
Objective To study the influence of systolic and diastolic blood pressure on left ventricular systolic and diastolic function.
目的观察收缩压、舒张压分别对左室收缩及舒张功能的不同影响。
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