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Figure 1 The heart is actually two pumps in one. The right side is responsible for pumping blood into the pulmonary circuit, which transports blood to the lungs, where it picks up oxygen and delivers carbon dioxide for exhalation. The pulmonary circuit then returns blood back to the left side of the heart. The left side is responsible for pumping blood to the systemic circuit, which transports oxygenated blood to virtually all the tissues of the body. The systemic circuit then returns deoxygenated blood and carbon dioxide to the right side [1].

Small Signal Sampling

In a Heartbeat A small (3-electrode) heart rate monitoring system using the Sparkfun AD8232 Heart Monitor module is simple but effective in monitoring heart physiology. I don’t have an Apple watch, but the one I wear does monitor heart rate and oxygen sensing. Since I enjoy running outside when the weather is comfortable, I thought […]
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