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.
1 Basic tuning sometimes does not include services such as fixing squeaky pedals. 2  The cost to repair or replace broken strings can vary depending on the type of string, with prices ranging from $20 to $98. 3  Pianos that have not been serviced or played in many years may need more than one tuning, according to Piano Finders. Some tuners charge a flat fee for routine tunings of pianos in average to good condition. 2  Additional fees may be charged for pianos that are in poor condition or have not been serviced for many years.