How Much Energy Does The Heart Use In One Beat?
I'm trying to establish how much work the heart does and what the energy requirement per beat or minute or day might be.
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By using this equation we can estimate it
Mechanical Power = Pmax(C,O)
Chemical Power = Mechanical Power/nth
Systolic Pressure: 16 kN/m2
Cardiac Output: 107 × 10-6 m3/s
nth = 0.2
Answer:
Pmech = (16 kN/m2)(107 × 10-6 m3/s) = 1.71 (Nm)/s [W]
Pchem = 1.71 (Nm)/s = 8.6 (Nm)/s"
Mechanical Power = Pmax(C,O)
Chemical Power = Mechanical Power/nth
Systolic Pressure: 16 kN/m2
Cardiac Output: 107 × 10-6 m3/s
nth = 0.2
Answer:
Pmech = (16 kN/m2)(107 × 10-6 m3/s) = 1.71 (Nm)/s [W]
Pchem = 1.71 (Nm)/s = 8.6 (Nm)/s"
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