How poisonous are black mambas?

The venom of Black Mamba is both a myotoxin and a hemotoxin which can quickly cause muscle tremors, affects breathing, and destroys red blood cells. These snakes can easily be 8-10 feet long and can travel along the ground in an upright position of about a meter in height. People who have been bitten can easily be struck in the chest and neck area which in turn can cause quick convulsions and death. Medical treatment asap with an anti-venom is an absolute necessity.