A bacterial infection in the bloodstream, a severe allergic reaction (anaphylaxis), systemic inflammatory response syndrome, or damage to the nervous system (brain and nerves) may cause<unk> . Besides, nearly all kinds of distributive shock such as septic shock, neurogenic shock, anaphylactic shock, drug and toxin-induced shock, endocrine shock can turn out into refractory<unk>  when the original shock becomes more severe. The most common cause of<unk>  is sepsis. Except sepsis, other causes comprise severe acute pancreatitis, post cardiopulmonary bypass vasoplegia and other triggers for a systemic inflammatory response syndrome. Low serum calcium values might take a role in<unk> .
Vasodilatory shock
Obstructive shock
Distributive shock
Hypovolemic shock
Cryptic shock
Neurogenic shock
Spinal shock
Septic shock