An adjustment to the speaker impedances enables higher output power to various speakers of different impedance. In a conventional amplifier which is designed for 4 ohm speaker impedance, the output power will drop sharply when using 6 or 8 ohms.
BACKGROUND AND AIMS: Hirschsprung disease is considered to be curable when performing definitive surgery. However, the postoperative bowel function is not always satisfactory. The long-term postoperative function of bowel evacuation and the quality of life of such patients are considered to be important.ACKGROUND AND AIMS: Hirschsprung disease is considered to be curable when performing definitive surgery. However, the postoperative bowel function is not always satisfactory. The long-term postoperative function of bowel evacuation and the quality of life of such patients are considered to be important.
Hirschsprung disease is an important condition. It is the commonest cause of lower intestinal blockage (obstruction) in the newborn period and later in infancy and childhood, Hirschsprung disease is a cause of chronic constipation. The most common symptoms of the disorder are vomiting, constipation, distention (swelling) of the abdomen, and intestinal obstruction. There is a male predominance of about 4 to 1 in Hirschsprung disease -- 4 boys to each girl.