Electrocardiography - EKG
BlackBoard Notes

======================= Photo - Click for a Larger Version =============================

======================= First Board Section =============================

• Recall: Week #2: "The Equipotential Surfaces of a Dipole":
  • Measured potential difference between ground wire and region around a pair of charges (Note to Jeff: Don't draw E vectors!)

======================= Second Board Section =============================

• This week:
  • Measure potential differences around the heart
  • Calculate magnitude and direction of dipole moment of the heart

• Calculating the dipole moment, p:
  • p_x (x-component)

  

  • p_y (y-component)

  

  ( Κ_water ≡ Dielectric Constant; ε_o ≡ Permittivity of Free Space)

   

======================= Third Board Section =============================

• Electrode connections: Both Leads are connected simultaneously!
  • You must zero the sensors before collecting data!

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