Made on
Tilda
This happens at the beginning of diastole (the relaxation phase).
In a normal adult heart, the lub-dub sound is typically heard as a single beat, with the S1 and S2 sounds occurring in rapid succession. The frequency of the heartbeats, or heart rate, is usually around 60-100 beats per minute (bpm) at rest. lub dub sounds of the heart
As the heart beats, the following sequence of events occurs: This happens at the beginning of diastole (the
Elara’s eyes went wide. “That’s you!” As the heart beats, the following sequence of
He told her a story. He said that deep inside every person, there was a small, tireless drummer. The drummer had two hands. One hand said lub —that was the sound of the heart’s big doors swinging shut, pushing blood out to run errands all over the body, bringing oxygen to toes and fingers and the very top of the head. The other hand said dub —that was the sound of the heart taking a quick breath, refilling, getting ready to send the blood out again.