What are the causes of low blood pressure and bradycardia?

Vagal nerve overstim. Most causes of hypotn and low heart rate come from overstimulation of the vagus nerve . This causes slow heart rates and vasodilation with drop in blood pressure . Pts feel sweaty nauseated and have bluured vision. If they dont lie down they may pass out.
Together or separate. ? Many possible causes for each. Overstimulation of the vagus nerve, sepsis, profound hypothyroidism...Cannot accurately answer without more information.