Method and system for characterizing cardiovascular systems from single channel data

A method for detecting a cardiac dysfunction using a computing device, comprising:

• receiving only one-dimensional electrophysiological data;
• constructing multi-dimensional electrophysiological data from the only one-dimensional electrophysiological data;
• defining a phase space system from the multi-dimensional electrophysiological data;
• determining by a baseline measurement of a subject's physiological condition from the phase space system;
• determining a first risk score associated with the baseline measurement of the subject's physiological condition;
• applying a therapy to the subject and subsequently receiving only second one-dimensional electrophysiological data;
• constructing second multi-dimensional electrophysiological data from the only second one-dimensional electrophysiological data;
• defining a second phase space system from the second multi-dimensional electrophysiological data;
• determining a second measurement of the subject's physiological condition from the second phase space system after the therapy is applied;
• determining a second risk score associated with the second measurement of the subject's physiological condition;
• and
• comparing the first risk score and the second risk score to determine a utility of patient therapies.

A non-transitory computer readable medium having computer readable instructions stored thereon that when executed by a computing device causes the computing device to perform a method for detecting a cardiac dysfunction, the method comprising:

• receiving only one-dimensional electrophysiological data;
• constructing multi-dimensional electrophysiological data from the only one-dimensional electrophysiological data;
• defining a phase space system from the multi-dimensional electrophysiological data;
• detecting the cardiac dysfunction from the phase space system;
• and
• providing an indicator of the cardiac dysfunction.