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.
For a broader coverage related to this topic, see Communication. Human communication, or anthroposemiotics, is the field dedicated to understanding how humans communicate. Human communication is grounded in cooperative and shared intentions. Humans have communication abilities that other animals do not.