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.
Like the name suggests, the entire CIC hearing aid fits into the ear canal. There is nothing on the outside of the ear, making it virtually unnoticeable. The CIC hearing aid is custom-made to fit into your ear canal to ensure a perfect fit.
Unlike normal hearing aids that sit in the ear canal, you donât have to wait for Silk to be custom made. Thanks to their silicone sleeves, your Hearing Care Professional can fit and adjust them to your personal preferences on the spot. And you can step out to the sound of effortless hearing.