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Defibrillators, Implantable
Artificial Pacemaker
Electrocardiography
Ventricular Tachycardia
Vasovagal Syncope
Heart Failure
Heart Rate
Ventricular Fibrillation
Heart Block
Heart Arrest
Atrial Fibrillation
Artificial Cardiac Pacing
Equipment Failure
Catheter Ablation
Tilt-Table Test
Phlebography
Electric Countershock
Radiography, Thoracic
Prospective Studies
Atrioventricular Node
Co-Publications
12
11
5
3
2
1
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