A system for transcutaneous neurostimulation to modulate a cardiovascular function in a body, the system comprising: a transcutaneous neurostimulation device (104; 1214; 1404; 1604) configured to be worn on the body, the transcutaneous neurostimulation device including: stimulation electrodes configured to be placed on surface of the body; an external neurostimulator (210; 310; 410; 1410; 1610; 1710) adapted to deliver neurostimulation transcutaneously to a stimulation target in the body through the surface stimulation electrodes, the external neurostimulator including: a stimulation output circuit electrically coupled to the surface stimulation electrodes and adapted to deliver the neurostimulation; a memory circuit; a stimulation algorithm stored in the memory circuit, a stimulation controller, and a chassis housing the stimulation output circuit, the memory circuit, and the stimulation controller, wherein at least a first electrode of the surface stimulation electrodes (214; 556A, 556B) is incorporated onto a side of the chassis that is in contact of the surface of body when being used; and a bracing element (112; 1212; 1312; 1613) coupled to the external neurostimulator, the bracing element configured to brace a portion of the body to hold the external neurostimulator on a surface of the body and to hold the first electrode on the surface of the body approximately over the stimulation target in the body, characterized by the stimulation algorithm including parameters selected to modulate the cardiovascular function, said parameters including a stimulation frequency between 1 and 5Hz; and said stimulation controller (218; 318) being coupled to the stimulation output circuit and the memory circuit and adapted to control the delivery of the neurostimulation by executing the stimulation algorithm, the stimulation controller including a clock adapted to time the delivery of the neurostimulation according to a programmed schedule. a transcutaneous neurostimulation device (104; 1214; 1404; 1604) configured to be worn on the body, the transcutaneous neurostimulation device including: stimulation electrodes configured to be placed on surface of the body; an external neurostimulator (210; 310; 410; 1410; 1610; 1710) adapted to deliver neurostimulation transcutaneously to a stimulation target in the body through the surface stimulation electrodes, the external neurostimulator including: a stimulation output circuit electrically coupled to the surface stimulation electrodes and adapted to deliver the neurostimulation; a memory circuit; a stimulation algorithm stored in the memory circuit, a stimulation controller, and a chassis housing the stimulation output circuit, the memory circuit, and the stimulation controller, wherein at least a first electrode of the surface stimulation electrodes (214; 556A, 556B) is incorporated onto a side of the chassis that is in contact of the surface of body when being used; and stimulation electrodes configured to be placed on surface of the body; an external neurostimulator (210; 310; 410; 1410; 1610; 1710) adapted to deliver neurostimulation transcutaneously to a stimulation target in the body through the surface stimulation electrodes, the external neurostimulator including: a stimulation output circuit electrically coupled to the surface stimulation electrodes and adapted to deliver the neurostimulation; a memory circuit; a stimulation algorithm stored in the memory circuit, a stimulation output circuit electrically coupled to the surface stimulation electrodes and adapted to deliver the neurostimulation; a memory circuit; a stimulation algorithm stored in the memory circuit, a stimulation controller, and a chassis housing the stimulation output circuit, the memory circuit, and the stimulation controller, wherein at least a first electrode of the surface stimulation electrodes (214; 556A, 556B) is incorporated onto a side of the chassis that is in contact of the surface of body when being used; and a bracing element (112; 1212; 1312; 1613) coupled to the external neurostimulator, the bracing element configured to brace a portion of the body to hold the external neurostimulator on a surface of the body and to hold the first electrode on the surface of the body approximately over the stimulation target in the body,