Your doctor will decide what type of pacemaker you need based on your heart condition. The doctor programs the minimum heart rate. When your heart rate drops below that set rate, your pacemaker generates (fires) an electrical impulse that passes through the lead to the heart muscle.
The myth of Psyche and Eros (Cupid) is a mythological metaphor for the feminine journey toward consciousness. Psyche is the Greek word for both soul and butterfly. We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty. -Maya Angelou In Aztec and Mayan mythology, the god of fire Xiutecutli is represented as a butterfly. Fire, like the butterfly, is a symbol of transformation. In Mexico, the Nahauatl people believe that Monarch butterflies are the souls of dead children returning to their ancestral home.
In line with this, the ancient Greek word for butterfly is ÏÏÏÎ® (psÈ³chÄ), which primarily means soul or mind. According to Mircea Eliade, some of the Nagas of Manipur claim ancestry from a butterfly. In some cultures, butterflies symbolise rebirth.utterflies evolved from moths, so while the butterflies are monophyletic (forming a single clade), the moths are not. The oldest butterflies are from the Palaeocene MoClay or Fur Formation of Denmark. The oldest American butterfly is the Late Eocene Prodryas persephone from the Florissant Fossil Beds.