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).
The drug concentration (the higher the concentration, the longer the block) The drug volume ( the larger the volume, the faster the onset and the more dense the block) Use of additives ( epinephrine and sodium bicarbonate speed the onset and prolong the block) Type of block ( Leg blocks last longer than arm blocks.