Amyotrophic lateral sclerosis (ALS), sometimes called Lou Gehrig's disease, is a rapidly progressive, invariably fatal neurological disease that attacks the nerve cells (neurons) responsible for controlling voluntary muscles.
The Alpine Scheitholt furnishes an example of this older type of European zither. By the late 18th century, two principal varieties of European concert zither had developed, known as the Salzburg zither (with a rounded side away from the player), and the Mittenwald zither (with both sides rounded).
Depending on the type of catheter you have and why it's being used, the catheter may be removed after a few minutes, hours or days, or it may be needed for the long term. Types of urinary catheter There are two main types of urinary catheter: 1  intermittent catheters â these are temporarily inserted into the bladder and removed once the bladder is empty. 2  indwelling catheters â these remain in place for many days or weeks, and are held in position by an inflated balloon in the bladder.