Threshold Potential – Definition and How to Determine THP ![]() As soon as the myocardial cell is stimulated, some cations will move into to the cells, this positively charged ions moving into the cells will take RMP towards the less negative state, because cations will neutralize the electronegativity. Normally, resting ventricular myocardial cells are electrically negative inside.įor example the RMP of the ventricular myocardial cell is -90mV, which means that in the resting condition, the myocardial cell internally has a negatively polarized membrane. When the myocardial cell is not stimulated, it is in a state of resting membrane potential (RMP). Resting membrane potential (RMP) is the electrical voltage difference between the inside and outside of the membrane. The Function of Electrical Activity in Ventricular Myocardium The graphical representation of the electrical activity of the heart is called electrocardiography. Master Medical Sciences with crystal clear concepts. Not a member? Sign up now to access 800+ videos on Basic Medical Sciences & Clinical Medicine. ECG Interpretation World’s Most Popular Lecture on EKG Interpretation
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