ECG of the month. Spikes. Cardiac pacemaker rhythm.
Martinez-Lopez
J I
JI
D000368:Aged; D000369:Aged, 80 and over; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D010138:Pacemaker, Artificial