Table 2.

Continuous 12-Lead Electrographic Analysis

During and 1 h After ExposureP Value23 h After ExposureP Value
Control (n=17)Fire Simulation (n=17)Control (n=17)Fire Simulation (n=17)
Max heart rate, bpm75±4162±4<0.0001121±7123±60.34
0.5-mm events
 Lead II1180.00585780.92
 Lead V2090.0378751.0
 Lead V51120.00669590.62
 Total239<0.00012322120.75
Max ST depression, μV
 Lead II–26±22–361±26<0.0001–263±32–229±370.41
 Lead V2–35±20–290±540.003–235±91–349±630.43
 Lead V5–12±20–255±710.01–193±45–206±940.84
 Total–23±12–304±32<0.0001–231±32–256±390.97
Ischemic burden, mV/s
 Lead II–12±10–207±220.002–1126±297–888±1680.38
 Lead V2–22±14–258±1280.03–1320±569–1424±2060.84
 Lead V5–15±10–139±360.02–536±315–583±1010.67
 Total–16±6–192±33<0.0001–1005±229–958±1160.92
  • Values are reported as mean±standard error of the mean; Student paired t test and Wilcoxon signed-rank test comparing control and fire simulation exposures.