Isotonic Maintenance Fluids for the Prevention of Hospital-Acquired Hyponatremia. The use of isotonic fluids in maintenance fluids for the prevention of hospital-acquired hyponatremia in acutely ill patients was initially controversial,58,59 owing mainly to the potential for unintended consequences.
Twice a year according to the book. Some pianos are very stable but some are ready for a tuning after a few months. New pianos need more regular tuning, usually four times a year for the first few years until the âstretchâ is out of the strings. Should you transport your piano to another house, it will need a month to acclimatise to its new surroundings.
The simple answer to the question is that all pianos differ, and the rates will vary. Piano tuning is exactly what it impliesâ¦ the tuning pins will be moved (with a tuning hammer), and set to the appropriate tension in order to produce the correct sound. The way a piano plays is NOT affected by normal piano tuning.