Quick Answer. Cardiotonic drugs are substances that increase the contracting mechanism within the heart, thereby causing more blood to be pumped throughout the circulatory system. These drugs usually affect intracellular calcium levels in the heart muscle to achieve the desired increase in muscle action.
Miniaturized hearing aids that will fit into the ear canal. Miniaturization tech could also be used to monitor pulse, blood-pressure, glucose, ECG via wireless, be used in implants, pacemakers. February 17, 2014. Fraunhofer researchers pack a total of 19 hearing-aid components (left) into their new microsystem (right).
Ace is the smallest Receiver In the Canal (RIC) hearing aid available. Its design makes it nearly invisible and its fitting range is appropriate for mild to severe hearing loss. The case of Ace Primax is only about 22 mm or .87 inches long. There is a trade-off for its small size.