Skip to main content

Table 2 Cell parameters under normal conditions

From: Ionic mechanisms of ST segment elevation in electrocardiogram during acute myocardial infarction

Cell type and parameter Value
Epi cell
 \(\left[ {\text{Na}} \right]_{\text{i}}\): intracellular sodium ion concentration [mM] 7.83
 \(\left[ {\text{Ca}} \right]_{\text{i}}\): intracellular calcium ion concentration [mM] 8.64D-5
 \(\left[ {\text{K}} \right]_{\text{i}}\): intracellular potassium ion concentration [mM] 140
M cell
 \(\left[ {\text{Na}} \right]_{\text{i}}\): intracellular sodium ion concentration [mM] 8.88
 \(\left[ {\text{Ca}} \right]_{\text{i}}\): intracellular calcium ion concentration [mM] 1.05D-4
 \(\left[ {\text{K}} \right]_{\text{i}}\): intracellular potassium ion concentration [mM] 139
Endo cell
 \(\left[ {\text{Na}} \right]_{\text{i}}\): intracellular sodium ion concentration [mM] 7.06
 \(\left[ {\text{Ca}} \right]_{\text{i}}\): intracellular calcium ion concentration [mM] 8.58D-5
 \(\left[ {\text{K}} \right]_{\text{i}}\): intracellular potassium ion concentration [mM] 141
\(\left[ {\text{Na}} \right]_{\text{o}}\): extracellular sodium ion concentration [mM] 140
\(\left[ {\text{Ca}} \right]_{\text{o}}\): extracellular calcium ion concentration [mM] 2
\(\left[ {\text{K}} \right]_{\text{o}}\): extracellular potassium ion concentration [mM] 5.4
[ATP]: ATP concentration [mM] 9.8
pH 7.4
  1. ATP, adenosine triphosphate