ECHELON CLASS
sinusbnbradycardiabn-bnanswers---lessbnthanbn60bnbeatsbnperbnminute
-PbnwavebninbnfrontbnofbneverybnQRS
-PR--0.12bntobn0.20
-QRSbnlessbnthanbn0.12
-ifbnsymptomatic--atropine,bnpacemaker
sinusbntachycardiabn-bnanswers---treatbnunderlyingbncausebn(fever,bnpain,bnetc.)
SinusbnArrhythmiabn-bnanswers--irregularbnwithbnbreathing--
HRbnincreasesbnwithbninspirationbnandbndecreasesbnwithbnexpiration
-onlybntreatbnifbnhemodynamicallybncompromised--atropine
SAbnblockbn-bnanswers---droppedbninterval/pause
-ifbnhemodynamicallybncompromised--atropine,bnpermanentbnpacemaker
sinusbnarrestbn-bnanswers---bnSAbnnodebndoesn'tbnfire
-bnnoticebnabsencebnofbnP-wavebnforbnabncompletebncyclebn(abnmissedbncycle)
-nobntreatmentbnifbnepisodesbnarebntransientbnotherwisebntemporarybnpacingbnorbnatropine
PrematurebnAtrialbnContractionbn(PAC)bn-bnanswers--ifbnsymptomatic--
digitalis,bnbetabnblockers,bnantiarrhythmics
atrialbnflutterbn-bnanswers---Sawtoothbnpattern
-250bntobn350bnbeats
, -PRIbncantbndetermine**
-QRSbnlessbnthanbn.12
-needbntobncontrolbnventricularbnratebnandbnconvertbnthebnrhythm/anticoagulate
abnfibbn-bnanswers---nobnpbnwave
-PRIbncantbnmeasure**
-QRSbnlesbnthanbn0.12
-ratebncontrolbnandbnantibncoag
SVTbn-bnanswers---regularbnratebnandbnrhythm
-Pbnwavebnnotbnvisible**
-PRIbn0.12-0.20**
-QRSbnlessbnthanbn0.12
-tx:bnvagalbnsimulation
-ifbnstable--adenosine,bncalciumbnchannelbnblockers,bnbetabnblockers,bndig,bnantiarrhythmics
-ifbnunstable--cardioversion
PrematurebnJunctionalbnContractionbn-bnanswers---Invertedbnpbnwavebnorbnhiddenbnpbnwave
PRI<0.12bnorbnnone
NormalbnQRS
-pbnwavebngoesbndownbninsteadbnofbnup
-nobnPRIbnunlessbnPbnwavebnbeforebnQRS
junctionalbnescapebnrhythmbn-bnanswers---regularbnrhythm
-40bntobn60bnbeats
-Pbnwavebninvertedbn(down)
-PRIbnandbnQRSbnlessbnthanbn0.12
-asymptomatic
-checkbncurrentbnmeds
sinusbnbradycardiabn-bnanswers---lessbnthanbn60bnbeatsbnperbnminute
-PbnwavebninbnfrontbnofbneverybnQRS
-PR--0.12bntobn0.20
-QRSbnlessbnthanbn0.12
-ifbnsymptomatic--atropine,bnpacemaker
sinusbntachycardiabn-bnanswers---treatbnunderlyingbncausebn(fever,bnpain,bnetc.)
SinusbnArrhythmiabn-bnanswers--irregularbnwithbnbreathing--
HRbnincreasesbnwithbninspirationbnandbndecreasesbnwithbnexpiration
-onlybntreatbnifbnhemodynamicallybncompromised--atropine
SAbnblockbn-bnanswers---droppedbninterval/pause
-ifbnhemodynamicallybncompromised--atropine,bnpermanentbnpacemaker
sinusbnarrestbn-bnanswers---bnSAbnnodebndoesn'tbnfire
-bnnoticebnabsencebnofbnP-wavebnforbnabncompletebncyclebn(abnmissedbncycle)
-nobntreatmentbnifbnepisodesbnarebntransientbnotherwisebntemporarybnpacingbnorbnatropine
PrematurebnAtrialbnContractionbn(PAC)bn-bnanswers--ifbnsymptomatic--
digitalis,bnbetabnblockers,bnantiarrhythmics
atrialbnflutterbn-bnanswers---Sawtoothbnpattern
-250bntobn350bnbeats
, -PRIbncantbndetermine**
-QRSbnlessbnthanbn.12
-needbntobncontrolbnventricularbnratebnandbnconvertbnthebnrhythm/anticoagulate
abnfibbn-bnanswers---nobnpbnwave
-PRIbncantbnmeasure**
-QRSbnlesbnthanbn0.12
-ratebncontrolbnandbnantibncoag
SVTbn-bnanswers---regularbnratebnandbnrhythm
-Pbnwavebnnotbnvisible**
-PRIbn0.12-0.20**
-QRSbnlessbnthanbn0.12
-tx:bnvagalbnsimulation
-ifbnstable--adenosine,bncalciumbnchannelbnblockers,bnbetabnblockers,bndig,bnantiarrhythmics
-ifbnunstable--cardioversion
PrematurebnJunctionalbnContractionbn-bnanswers---Invertedbnpbnwavebnorbnhiddenbnpbnwave
PRI<0.12bnorbnnone
NormalbnQRS
-pbnwavebngoesbndownbninsteadbnofbnup
-nobnPRIbnunlessbnPbnwavebnbeforebnQRS
junctionalbnescapebnrhythmbn-bnanswers---regularbnrhythm
-40bntobn60bnbeats
-Pbnwavebninvertedbn(down)
-PRIbnandbnQRSbnlessbnthanbn0.12
-asymptomatic
-checkbncurrentbnmeds
