An electrocardiogram (EKG or ECG) is a test that checks for problems with the electrical activity of your heart. An EKG shows the heart 's electrical activity as line tracings on paper. The spikes and dips in the tracings are called waves.
1 Communication skills is the set of skills that enables a person to convey information so that it is received and understood. 2  Communication skills refer to the repertoire of behaviors that serve to convey information for the individual.
Define Barriers to Communication. Communication is a conversational process of sending and receiving messages. Communication is important in business, personal relationships and daily tasks of going grocery shopping or grabbing a morning cup of coffee. Various barriers exist that can distort or prohibit a message from being properly understood or sent.