A quick run down of some of these terms include: 1  Dyspnea refers to the sensation of shortness of breath. 2  Tachypnea refers to rapid breathing with or without a feeling of being shortness of breath. 3  Bradypnea means a slow rate of breathing.
Sodium hypochlorite (NaOCl) continually decomposes on standing after it is produced. If the solution is diluted to 50% of its initial concentration, the rate of decomposition will be about 25% of the pre-dilution rate if all other conditions are kept basically the same.
A low level of blood sodium is called hyponatraemia, and is usually due to either too much sodium loss, too much water intake or retention, or fluid accumulation in the body (oedema). If sodium falls quickly, you may feel weak and tired; in severe cases, you may experience confusion or even fall into a coma.