Figure 4.
2. Boundary between Zones and unknown for times less than 500 ms.
.c.2
Time/current zones effect d.
Notes: regards ventricular fibrillation, this figure relates the effects current,
which flows the path left hand feet and for rising current. persons.EFFECTS CURRENT PASSING THROUGH THE HUMAN BODY
22
Description zones:
Zone
designation
Zone limits Physiological effects
DC mA
a
Usually reaction
DC Usually harmful physiological effects
DC Usually organic damage expected.
DC 4.3 above Probability ventricular fibrillation above %
1) For duration current-flow below ms, the limit for the body current for line remains
constant value 200 mA.1 Probability ventricular fibrillation about %
DC 4. Increasing with
current magnitude and time, reversible disturbances formation
and conduction impulses the heart may occur
DC above Dangerous pathophysiological effects: severe burns, cardiac
disrhythmias, unconsciousness.2 Probability ventricular fibrillation about %
DC 4.1
