Travel and History Blog. Share. When the Embargo Act proved unsatisfactory as an instrument of American foreign policy, it was repealed in March 1809 and replaced with the milder Nonintercourse Act. This act maintained the embargo only against Britain and France, but did not ban trade with other European countries.ravel and History Blog. Share. When the Embargo Act proved unsatisfactory as an instrument of American foreign policy, it was repealed in March 1809 and replaced with the milder Nonintercourse Act. This act maintained the embargo only against Britain and France, but did not ban trade with other European countries.
Clinically significant hyponatremia is relatively uncommon and is nonspecific in its presentation; therefore, the physician must consider the diagnosis in patients presenting with vague constitutional symptoms or with altered level of consciousness.
Hyponatremia is an electrolyte disturbance characterized by a sodium concentration in the plasma below 135 mmol/L. At lower levels, overhydration (water intoxication), an urgently dangerous condition, may result. Severe hyponatremia can cause an osmotic transfer of water from the plasma into the brain cells. Most body cells can expand as they take on water, but brain cells are confined in the skull. The following symptoms may therefore begin to be experienced as brain cells take on water: