不要使用任何狗，它具有心输出量衰竭的主动脉瓣狭窄的证据。
Do not use in any dog that has evidence of cardiac output failure due to aortic stenosis.
一旦传感器输出偏离最初预期阀瓣末端位置值时，用户就可以立即检测到磨损密封件。
The user can thus detect a worn seal as soon as the sensor outputs a value that deviates from the originally expected flap end position.
探讨影响二尖瓣、主动脉瓣并三尖瓣病变术后低心输出量综合征（低心排）的因素以及三尖瓣的处理问题。
Purpose: To find the predictive factors of low cardiac output after mitral and aortic valve operation combined with tricuspid annuloplasty of tricuspid valve lesion.
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