目的探讨乏氏窦瘤的声像图特征及超声诊断价值。
Objective To explore the echocardiography characteristics of Aneurysm of Sinus of Valsalva and evaluate its diagnostic value.
其机制谓与直立性低血压有关，或与乏氏动作有关。
The mechanism of this was explained to be associated with erect postural hypotension or related to Valsalva's maneuver.
分析发病时间与诱因，排尿与昏厥的关系，昏厥前征兆、临床症状和心电图乏氏试验。
Onset of illness and evoke factor, relation between miction and syocope, portent symptome of syocope and valsalva's test of electrocardiogram were analyzed.
分析发病时间与诱因，排尿与昏厥的关系，昏厥前征兆、临床症状和心电图乏氏试验。
Onset of illness and evoke factor, relation between miction and syocope, portent symptome of syocope and valsalva's test of electrocardiogram were analyzed.
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