Devices, systems and methods are disclosed for electrical stimulation of the vagus nerve to treat or prevent disorders in a patient. The methods comprise transmitting impulses of energy to the vagus nerve according to a treatment paradigm. The treatment paradigm may include generating and transmitting the electrical impulse as a single dose from about 30 seconds to about 5 minutes. The treatment paradigm may comprise a treatment session of 2 to 4 times within an hour time period and/or as a single dose from 2 to 5 times during a day.