dual chamber discriminators: pr logic rules
Post on 04-Jul-2015
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Confidential and Proprietary; Do Not Copy or Distribute
PR Logic® (Pre EnTrust)
Regular > 75%
Irregular≤ 50%
= VF + SVT
= VT + SVT
= SVT
= SVT
= SVT
= SVT
AFEvid
ence
AVDiss
ociat
ion
Regula
rity
If no SVT criteria or Double Tach Criteria are met, VT/FVT/VF is detected
Patte
rn
Rate
VF/FVT
Double Tach
VT/FVT
Regular Conduction
AFib/AFlutter
Irregular Conduction
Sinus Tach
Other 1:1
Confidential and Proprietary; Do Not Copy or Distribute
PR Logic® (EnTrust and newer)
AFEvid
ence
AVDiss
ociat
ion
Regula
rity
EnTrust and newer devices have New ST Rule
Patte
rn
Rate
VF/FVT
Double Tach
VT/FVT
Regular Conduction
AFib/AFlutter
Irregular Conduction
Sinus Tach
Other 1:1
ST
Eviden
ce
Irregular≤ 50%
Regular > 75%
Confidential and Proprietary; Do Not Copy or Distribute
PR Logic® with Wavelet(Protecta)
AFEvid
ence
AVDiss
ociat
ion
Regula
rity
If non of these are met, then Wavelet will try to see if it can call it SVT
Patte
rn
Rate
VF/FVT
Double Tach
VT/FVT
Regular Conduction
AFib/AFlutter
Irregular Conduction
Sinus Tach
Other 1:1
Abnor
mal
Mor
pholo
gy
Irregular≤ 50%
Regular > 75%
STEvid
ence
Confidential and Proprietary; Do Not Copy or Distribute
PR Logic and Wavelet in ProtectaExcept for Double Tach
PR Logic is applied first and
then Wavelet (as long as the
V is not faster than the A)
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