Personal electronic devices with unobtrusive EKG-based detection of heart rate and rhythm anomalies

An analysis server communicatively coupled to a first and second personal electronic device, the analysis server comprising:

• a communication interface that receives information from the first personal electronic device and the second personal electronic device, the first personal electronic device communicatively coupled to an earbud and including a communication interface configured to wirelessly communicate with the analysis server, the second personal electronic device including a wired handset and a telephone, the information from the first personal electronic device including location information associated with first and second electrodes of the first personal electronic device, wherein the location information associated with the first and second electrodes of the first personal electronic device includes a first location where the first electrode contacts a user's body and a second location where the second electrode contacts the user's body, the information from the first personal electronic device further including a first heart signal that is a differential voltage corresponding to an electrical activity of the user's heart along an axis that corresponds to an electrical pathway between the first and second electrodes, wherein the differential voltage is amplified and measured, by the first personal electronic device and between the first and second electrodes associated with the first personal electronic device, the information from the second personal electronic device including location information associated with third and fourth electrodes of the second personal electronic device, wherein the location information associated with the third and fourth electrodes of the second personal electronic device includes a third location where the third electrode contacts the user's body and a fourth location where the fourth electrode contacts the user's body, the information from the second personal electronic device further including a second heart signal that is a differential voltage corresponding to an electrical activity of the user's heart along an axis that corresponds to an electrical pathway between the third and fourth electrodes, wherein the differential voltage is amplified and measured, by the second personal electronic device and between the third and fourth electrodes associated with the second personal electronic device;
• and
• a cardiac analyzer that analyzes the first and second heart signals received from the first and second personal electronic devices in accordance with the location information associated with the first and second electrodes of the first personal electronic device and the location information associated with the third and fourth electrodes of the second personal electronic device, wherein the cardiac analyzer performs a first analysis of the first heart signal in accordance with a first angle corresponding to an electrical pathway through the user's heart between the first electrode and the second electrode, the cardiac analyzer performs a second analysis of the second heart signal in accordance with a first angle corresponding to an electrical pathway through the user's heart between the third electrode and the fourth electrode, and the cardiac analyzer determines an anomaly based on the first analysis or the second analysis,
• wherein the analysis server provides an indication of the determined anomaly to at least one of the first personal electronic device or the second personal electronic device.

An analysis server communicatively coupled to a first and second personal electronic device, the analysis server comprising:

• a communication interface that receives information from the first personal electronic device and the second personal electronic device, the first personal electronic device communicatively coupled to an earbud and including a communication interface configured to wirelessly communicate with the analysis server, the second personal electronic device including a wired handset and a telephone, the information from the first personal electronic device including location information associated with first and second electrodes of the first personal electronic device, wherein the location information associated with the first and second electrodes of the first personal electronic device includes a first location where the first electrode contacts a user's body and a second location where the second electrode contacts the user's body, the information from the first personal electronic device further including a first heart signal that is a differential voltage corresponding to an electrical activity of the user's heart along an axis that corresponds to an electrical pathway between the first and second electrodes, wherein the differential voltage is amplified and measured, by the first personal electronic device and between the first and second electrodes associated with the first personal electronic device, the information from the second personal electronic device including location information associated with third and fourth electrodes of the second personal electronic device, wherein the location information associated with the third and fourth electrodes of the second personal electronic device includes a third location where the third electrode contacts the user's body and a fourth location where the fourth electrode contacts the user's body, the information from the second personal electronic device further including a second heart signal that is a differential voltage corresponding to an electrical activity of the user's heart along an axis that corresponds to an electrical pathway between the third and fourth electrodes, wherein the differential voltage is amplified and measured, by the second personal electronic device and between the third and fourth electrodes associated with the second personal electronic device;
• and
• a cardiac analyzer that analyzes the first and second heart signals received from the first and second personal electronic devices in accordance with the location information associated with the first and second electrodes of the first personal electronic device and the location information associated with the third and fourth electrodes of the second personal electronic device, wherein the cardiac analyzer performs a first analysis of the first heart signal in accordance with a first angle corresponding to an electrical pathway through the user's heart between the first electrode and the second electrode when the first electrode is in contact with the user's left ear, the cardiac analyzer performs a second analysis of the first heart signal in accordance with a second angle corresponding to an electrical pathway through the user's heart between the first electrode and the second electrode when the first electrode is in contact with the user's right ear, the cardiac analyzer performs a third analysis of the second heart signal in accordance with a first angle corresponding to an electrical pathway through the user's heart between the third electrode and the fourth electrode when the third electrode is in contact with the user's left ear, the cardiac analyzer performs a fourth analysis of the second heart signal in accordance with a second angle corresponding to an electrical pathway through the user's heart between the third electrode and the fourth electrode when the third electrode is in contact with the user's right ear, and the cardiac analyzer determines an anomaly based on at least one of the first analysis, the second analysis, the third analysis, or the fourth analysis,
• wherein the analysis server provides an indication of the determined anomaly to at least one of the first personal electronic device or the second personal electronic device.