Optimal vectors for electrical therapies

A method, comprising:

• identifying feedback from electrical signals output along multiple vectors to multiple electrodes configured to be disposed on skin of a subject;
• selecting, among the multiple vectors, an optimal vector by analyzing the feedback;
• identifying, among the multiple electrodes, a first electrode and a second electrode associated with the optimal vector;
• and
• in response to identifying the first electrode and the second electrode associated with the optimal vector:
• outputting a recommendation to administer an electrical shock to the first electrode and the second electrode;
• or
• outputting the electrical shock to the first electrode and the second electrode.

A defibrillator, comprising:

• a treatment circuit configured to:
• output electrical signals along multiple vectors to multiple electrodes configured to be disposed on skin of a subject;
• and
• output an electrical shock;
• and
• a measurement circuit configured to:
• detect feedback from the electrical signals;
• and
• a processor configured to:
• select, among the multiple vectors, an optimal vector by analyzing the feedback;
• identify, among the multiple electrodes, a first electrode and a second electrode associated with the optimal vector;
• and
• in response to identifying the first electrode and the second electrode associated with the optimal vector:
• cause the treatment circuit to output the electrical shock to the first electrode and the second electrode.