It is essential that pacemakers and other medical devices be removed prior to cremation. They may explode when subjected to high temperature, which can be hazardous to crematory staff and equipment. In addition, any special mementos, such as jewelry, will be destroyed during the cremation process. Anything you wish to keep should be removed by the funeral director before the casket or container is transferred to the crematory.
Due to the irreversible nature of cremation, most states require a waiting period before the actual process may begin. Unless a body is embalmed, refrigeration is the only alternative available that will retard tissue decomposition. Refrigeration is a necessity that protects family and friends, the crematory operator and the general public from potential health hazards.
No. In most cases, it is your choice. It may depend on such factors as whether the family selected a service with a public viewing of the body, whether there is to be a funeral service, or whether there is refrigeration available. Embalming may also be necessary if the body is going to be transported by air or rail, or because of the length of time prior to the cremation.
It's completely a matter of family preference. Many times when a family is split regarding the decision to cremate, a compromise may be achieved by having a traditional service first - to be followed by cremation.