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).
AV blocks occur more frequently in people older than 70 years, especially in those who have structural heart disease. Approximately 5% of patients with heart disease have first-degree AV block, and about 2% have second-degree AV block.