The atria receive blood from various parts of the body and pass it into the ventricles. The ventricles, in turn, pump blood to the lungs and to the remainder of the body. The right atrium, or right superior portion of the heart, is a thin-walled chamber receiving blood from all tissues except the lungs.
The Vestibule and Semicircular Canals. While the cochlea is involved in hearing, the other two parts of the inner ear's bony labyrinth, the vestibule and semicircular canals, are involved in keeping you upright-your sense of balance, that is. The vestibule detects changes in linear acceleration-that is to say, movement in one direction.
In summary: fluid and electrolyte balance is important for maintenance of proper cardiac function. The nurse should be alert to changes in the EKG which can indicate f/e imbalance; OR if an imbalance is present already, the nurse should investigate the possible ramifications to the EKG. If you are a nurse in a critical care area, you already know the rapidity with which these changes can occur.