Degree Options and Education. Students interested in a career in speech therapy should earn a speech therapist degree, bachelorâs degree in communication sciences and disorders or a related major. You will need at least a bachelorâs degree plus your teaching certificate in order to practice speech therapy within the school system.
I think hypokalemia is incorrectly listed as one of the causes of first degree AV block. My ECG handbook says it is hyperkalemia that can cause first degree AV block (and some internet sources confirm this).
As with all medical conditions, there may be many causal factors. 1  Further relevant information on causes of Heart block may be found in: 2  Risk factors for Heart block. 3  Medications that may cause Heart block. 4  Contagiousness for Heart block. 5  Genetics of Heart block. 6  Hidden causes of Heart block.