Cardiac tamponade is suggested by jugular venous distention, muffled heart sounds, and a paradoxical pulse. 颈静脉怒张、心音低沉、及奇脉提示心包填塞。
Phonocardiogram contains a lot of information on the physiological and pathological cardiac function, so it can improve the diagnosis and treatment of cardiovascular disease to effectively diagnose cardiac sounds. 心音图含有大量关于心脏功能的生理病理信息,因此对心音信号的有效诊断,有利于提高心血管疾病的诊治水平。
The heart sounds pattern recognition system includes heart sound data acquisition part and pattern recognition part. The hardware circuit is made to acquire cardiac sounds. 心音信号模式识别系统分为心音数据采集和模式识别两部分。
Among the clinical presentation and signs, frequently upper respiratory infection, tachypnea, cardiac murmur and pulmonary second heart sounds loudly were the most common. 全组患儿的临床症状和体征中以频繁上呼吸道感染、气促和心脏杂音、P2亢进最为常见。