The chemicals of the sympathetic nervous systemThe involuntary nervous system that provides alpha, Beta 1 and Beta 2 responses as stimulated by catecholamines – epinephrine, norepinephrine and dopamine; combined responses include increased heart rate, more forceful contraction, peripheral vasoconstriction and bronchial dilation. 1. Six Second ECG Guidebook (2012), T Barill, p. 206 – epinephrine, norepinephrine, and dopamine.
1. Six Second ECG GuidebookA Practice Guide to Basic and 12 Lead ECG Interpretation, written by Tracy Barill, 2012 Introduction The ability to correctly interpret an electrocardiogram (ECG), be it a simple six second strip or a 12 lead ECG, is a vital skill... (2012), T Barill, p. 193