T-wave and QT-interval alternans?
Madias
John E
JE
D018880:Atrial Premature Complexes / Q000150:complications* / Q000175:diagnosis*; D001919:Bradycardia / Q000150:complications* / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D006801:Humans