The North American Society for Pacing and Electrophysiology (NASPE) and the British Pacing and Electrophysiology Group (BPEG) developed codes for use on implantable defibrillators to describe the functional characteristics.
|
Position |
Function |
Designation |
Code |
|
I |
shock chamber |
none |
O |
|
|
|
atrium |
A |
|
|
|
ventricle |
V |
|
|
|
dual (atrium and ventricle) |
D |
|
II |
anti-tachycardia pacing chamber |
none |
O |
|
|
|
atrium |
A |
|
|
|
ventricle |
V |
|
|
|
dual (atrium and ventricle) |
D |
|
III |
tachycardia detection |
electrogram |
E |
|
|
|
hemodynamic |
H |
|
IV |
antibradycardia chamber |
none |
O |
|
|
|
atrium |
A |
|
|
|
ventricle |
V |
|
|
|
dual (atrium and ventricle) |
D |
|
Function |
Short Form |
|
shock capability only |
ICD-S |
|
bradycardia pacing and shock |
ICD-B |
|
tachycardia, bradycardia and shock |
ICD-T |
Specialty: Cardiology
