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Voltage Skin Deep tissue Cardiac
arrhythmias
Low voltage Local entrance At entry and Immediate
(<1000V) and exit exit site only cardiac arrest
wounds possible,
possible
transient ECG
changes.
High voltage Flashover burn Muscle Transthoracic
(>1000V) Full thickness damage with current may
entrance and rhabdomyolysis causes
exit wounds and myocardial
compartment damage and
syndrome delayed
arrhythmias
Lightning Superficial or Eardrum Respiratory
dermal perforation arrest – need
flashover burns and corneal prolonged CPR
Exit burns on damage
feet
Emergency Management of Severe
th
Burns Course Manual 18 Ed. 2016
Low voltage burns seldom causes deep tissue
damage. The household alternating current can
cause muscle spasm or tetany.
