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Systolic Pressure
The pressure in the arteries when the heart beats and fills them with blood, the higher number in a blood pressure reading.
Diastolic Pressure
The lowest pressure within the arteries, occurring between heartbeats when the heart is resting and refilling with blood.
Heart Sounds
Sounds produced by the closing of heart valves and the rushing of blood through the heart, typically heard as a "lub-dub" sound with a stethoscope.
Chamber Walls
Structural boundaries of a space or cavity within an organ, often referring to the heart’s compartments.
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