Comparison of smartphone-based and standard base-apex electrocardiography in healthy dairy cows.

Background: There is good diagnostic accuracy of smartphone-based ECG in the evaluation of heart rate (HR), heart rhythm, and ECG values for humans, horses, dogs, and cats.

Objectives: Assess feasibility and reliability of a smartphone ECG device to evaluate HR expressed as beats per minute and ECG values in cows.

Animals: Fifty-five healthy Holstein Friesian cows.

Home monitoring of heart rate and heart rhythm with a smartphone-based ECG in dogs.

The feasibility of the home monitoring of heart rate (HR) and rhythm through ECG tracings recorded by owners with a smartphone ECG device was evaluated in dogs. Smartphone ECG tracings were recorded by owners at home using a single-lead ECG device and sent via email for interpretation. A questionnaire was prepared to assess the owner's opinion regarding this home monitoring service.