In most instances, Medicare pays 80% of the approved amount of doctor bills; you or your medigap plan pay the remaining 20%, if your doctor accepts assignment of that amount as the full amount of your bill. Most doctors who treat Medicare patients will accept assignment.
An Ambu bag is a trademarked brand of hand-held, self-inflating resuscitators used by medical personnel to provide an emergency air supply to patients. It was developed in 1956.... Star Gazing
Ambu CPR masks and keychain barriers provide excellent protection to students and rescuers during resuscitations. Ambu masks are available in adult/child and infant sizes, and the convenient Ambu Res-Cue Key comes in a compact pouch with a key ring, so it's always ready to grab in an emergency.