The equipment includes ventilators, electro-cardio-graphs and more.

这些设备包括呼吸机、仪等。

When a patient is undergoing clinical examination, Although some portable cardiac devices are already available small electrocardiographs worn on a belt for example with leads that attached to a patient's chest to trace the rhythm and electrical activity of the heart.

当患者接受临床检查时，尽管已经有一些便携式脏设备可用， 如佩戴在腰带上的小型仪， 其导联线连接到患者的胸部以追踪脏的活动。

After 1909, with the aid of an early electrocardiograph, British physician Thomas Lewis discovers atrial fibrillation, a condition that causes an irregular heart rate.

1909年后， 借助早期仪，英国医生托马斯·刘易斯发现了房颤动，这是一种导致率不规则的病症。