REACTIONS

_IMMEDIATE:_ Pinprick sensation from the bite

_LOCAL:_ Dull numbing pain; two red puncture marks at bite site. Pain

peaks at 1-3 hours and persists 12-48 hours

_REGIONAL:_

1. Severe muscular pain and spasm

2. Rigid boardlike abdomen

3. Tightness in chest and pain on inspiration

_GENERAL:_

1. Rigidity and spasm of all large muscle groups; excruciating

abdominal pain

2. Convulsions, paralysis

3. Shock

_DEATHS:_ 4-5% of untreated cases due to neurotoxic effect of the venom

Venomous arthropod handbook · 第 44 / 71 题