| 1. | The physiological reactions vii to hypoxia are most severe in the fulminating altitude hypoxia group , such as tempestuously struggling , twitching , weakly breathing , dull sight , stopping breath in 2 ~ 7min . sinus arrhythmia , nodal arrhythmia , ventricular premature beats and ventricular escape beats can be observed in the fulminating altitude hypoxia group , stopping beat at last . 2
该组大鼠在暴发性缺氧期间出现剧烈挣扎，抽搐，呼吸浅快，目光呆滞以及毛发棘立等行为改变，于2 7min呼吸停止；出现了不同程度的窦性心律不齐、结性心律、室性早搏、室性逸搏等心电图改变，继之出现心率减慢，直至心脏停跳。 |
