Fig. 4From: Inhaled ambient-level traffic-derived particulates decrease cardiac vagal influence and baroreflexes and increase arrhythmia in a rat model of metabolic syndromeDaily change in ECG PR and QTc (Fridericia) interval from baseline in MetS rats during exposure to FA (Air) or P + SOA. Values represent group mean of daily change from individual rats’ values at baseline (±SE, n = 6/group). Vertical lines delineate exposure weeks. Asterisk denotes significant difference between time-matched group averages (P < 0.05)Back to article page