What does heartbeat analysis 8 mean?

Segmental depression. Pulse analysis 8 is ST segment depression of at least 8 leads on the lower body surface electrocardiogram at rest. Pulse analysis generally refers to the cardiac output index. In fasting and resting state, the cardiac output per minute calculated by body surface area per square meter is called cardiac output index, and its normal reference value is 2.5-3.75 L/(min m2).