Table 1. Electrocardiographic findings of the all study population.

Variable	Study population (n=41)	Reference range a)
HR (bpm)	100 (60–160)	70–160
P (msec)	38 (20–50)	<40–50
P (mV)	0.2 (0.1–0.4)	≤0.4
PQ (msec)	108 (60–130)	60–130
QRS (msec)	45 (40–60)	≤60
QRS MEA (°)	+45 (−45–+90)	+40–+100
Q (mV)	0.7 (0.1–1.9)	-
R (mV)	1.6 (0.5–3.4)	≤3
S (mV)	0.2 (0.1–0.7)	-
QT (msec)	200 (160–245)	150–250

Data from study population are reported as median and range. a) From Tilley, 1992.