Hypokalemia can be caused by insufficient potassium intake, transcellular shift of potassium from the extracellular to intracellular compartments or excessive potassium loss.
A subsequent 24-hour urinary potassium level confirmed an abnormally excessive urinary potassium loss of 80 mmol/24 hours despite severe hypokalemia (reference range: 40-100).
This condition was fatal in the few children reported [182,244,245,277], who presented with severe hypertension and blood biochemistry compatible with mineralocorticoid excess with sodium retention, potassium loss and metabolic alkalosis.
We eat, in general, excess sodium and excess potassium.
In this setting, the human kidney developed a highly efficient capacity to excrete excess potassium".
Potassium-sparing diuretics, which include amiloride (Midamor) and spironolactone (Aldactone), avoid the potential problem of potassium loss.
Early humans evolved to conserve sodium, which was hard to obtain, and to excrete excess potassium, abundant in many fruits and vegetables.
The most widely used industrial catalyst comprises potassium-promoted iron oxide, which deactivates with time, due to potassium loss.
But Yaz contains drospirenone, a progestin that can cause excess potassium production in some patients, its side effects include an increased risk of serious heart and other health problems.
But his death certificate listed the cause of death as an abnormal heart rhythm and excess potassium -- two well-known results of digoxin poisoning -- without ever mentioning the drug.
