1 Examples of viral infections include, mumps or hepatitis B. 2  Some autoimmune conditions-such as lupus, or Sjogren's syndrome. 3  Injury to the pancreas. 4  Idiopathic-about 15% of all cases of acute pancreatitis are termed idiopathic pancreatitis.
For instance, in America, these kinds of drums are referred to as the doumbek. They are widely used in E. Europe, N. Africa and a larger part of Asia. Good examples of these kinds of drums include the Bendir, Riq, Tamburine, Irish bodhran etc. These drums are mostly made of wood which forms almost a perfect circle.
Bass drums can have a variety of strikers depending on the music: 1  A single heavy felt covered mallet (Fr. 2  When the drum is mounted vertically, the mallet above may be held in one hand and a rute held in the other. 3  2 matching bass drum mallets or a double headed mallet are used for playing drum rolls. When used as part of a drum kit, a variation of the mallet described above is mounted on a pedal and called a beater.