Utility and accuracy of a smartphone-based electrocardiogram device as compared to a standard base-apex electrocardiogram in the horse

Evaluate accuracy and utility of a smartphone-based ECG device compared to a standard base-apex lead ECG in horses. ECGs were acquired prospectively from 28 client-owned horses at 2 equine referral hospitals. Twenty-five pairs of 30-s ECG recordings were acquired simultaneously from 23 horses with a smartphone ECG device (a bi-polar single lead recorder coupled to a smartphone with an ECG application) and with a standard base-apex lead ECG; 2...