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).
Most people are aware that hearing protection comes in two main. types; ear muffs (which if you are lucky make you look like some. cool F1 racing engineer, or if you are unlucky make you look like a. reject from the Mickey Mouse Club); or ear plugs. One of the issues which is often overlooked is that not all hearing.