Potassium is an important ion capable to maintain intra-extracellular electric gradient. Variations in the intra-extracellular ionic flow may alter cells functions, skeletal and smooth muscle contractility and electric activity of myocardial cells.
In this study we demonstrated that high level of serum potassium may be associated with cardiac and neurological life-threatening diseases.
We describe two case reports in which one patient, chronic hemodialysed, presented with cardiogenic shock in setting of hyperkalemia; the other, with end-stage kidney disease, showed a flaccid paralysis associated to high level of serum potassium during potassium sparing diuretic therapy.
Emergency haemodialysis was performed with a complete remission of the clinical manifestations.
Indeed, the use of simply diagnostic instruments such as serum electrolyte assay and electrocardiographic study (ECG) are helpful in clinical practice solving in timely serious complications due to hyperkalemia.
Aim: To evaluate the serum sodium and potassium levels in the three trimesters of pregnancy in women. Methods: Four groups of healthy women between the ages of 20 and 30 years, volunteered for this study. Group 1: Non-pregnant women (control), Group 2: Pregnant women in their first trimester, Group 3: Pregnant women in their second trimester, Group 4: Pregnant women in their third trimester. Blood samples were collected by standard aseptic method and serum samples were analyzed for serum levels of sodium and potassium by the ion selective electrode method. Results were presented as MEAN ± SEM in tables and figures, p < 0.05 was regarded as statistically significant. Results: The serum sodium concentrations in mmol/L were 135.3 ± 3.09, 136.3 ± 1.55, 139.0 ± 0.78, 139.8 ± 0.91 for control, first-trimester, second-trimester, and third-trimester subjects respectively. The potassium concentrations in mmol/L were 3.678 ± 0.26, 3.687 ± 0.13,3.820 ± 0.11, 3.767 ± 0.07 for control, first-trimester, second trimester and third-trimester subjects respectively. The Bodyweight values in kg were 72.13 ± 2.11, 74.73 ± 2.05, 75.00 ± 1.72, 81.56 ± 4.24 for control, first-trimest, second-trimester, and third-trimester subjects respectively. Conclusion: Results indicate that the hormones of pregnancy altered the body weight of pregnant women, but did not change the serum sodium and potassium level across the three trimesters of pregnancy in women. This is an indication that the kidneys of healthy pregnant women can handle serum electrolyte load during the period of pregnancy.
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