The involuntary nervous system that provides alpha, Beta 1 and Beta 2 responses as stimulated by catecholaminesThe chemicals of the sympathetic nervous system – epinephrine, norepinephrine, and dopamine. 1. Six Second ECG Guidebook (2012), T Barill, p. 193 – epinephrine, norepinephrine and dopamine; combined responses include increased heart rateThe number of QRS complexes per minute; note that HR may not equal perfused pulse rate. See also: - Step 1 Heart Rate - Rate - Rule of 300s (Triplicate Method) - Six Second Count - The Caliper Method 1...., more forceful contraction, peripheral vasoconstriction and bronchial dilation.
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. 206