This explains why it's impossible to make pacemakers with replaceable batteries. 1  Sinus bradycardia is a common reason for needing a pacemaker. Read about sinus bradycardia. 2  Read about sick sinus syndrome. 3  Read about heart block.
What Do Ferrets Eat in the Wild? Dark-footed ferrets depend on prairie dogs for everything from food to shelter to safety. These wild members of the weasel family eat prairie dogs practically exclusively and also live in abandoned prairie dog dens. They rely on these large holes for protection from eagles and other predators.
Can Ferrets Eat Cat Food? If you are not able to find a prepackaged ferret food in your area, donât panic. Kitten food works as well (again, check the ingredients list), as long as you give your ferret fatty acid supplements, which are available from a pet store.