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RELIAS DYSRHYTHMIA BASIC A QUESTIONS
AND ANSWERS
Normalrhsinusrhrhythmrh-rhRegular Rate:rh 60 - 100 PrhWave:rhPresent,rhupright PRrhInterval:rh0.12-0.20rhsec QRS:rh<0.12rhsec SinusrhBradycardiarh-rhRegular Rate:rh<60rh PrhWave:rhPresent,rhupright PRrhInterval:rh0.12-0.20rhsec QRS:rh<0.12rhsec SinusrhTachycardiarh-rhRegular Rate:rh 100 - 150 PrhWave:rhPresent,rhupright PRrhInterval:rh0.12-0.20rhsec QRS:rh<0.12rhsec PrematurerhAtrialrhContractionrh-rhIRREGULAR Rate:rhdependsrhonrhunderlyingrhrhythmrh Prhwave:rhPresentrhorrhhiddenrhinrhTrhwave PRrhInterval:rh0.12-0.20rhsec
QRS:rh<0.12rhsec AtrialrhFibrillationrh-rhIRREGULAR Atrialrhrate:rhUNMEASURABLE Ventricularrhrate:rhvariable Prhwave:rhunablerhtorhsee PRrhInterval:rhN/A QRS:rh<0.12rhsec ArhfibrhRVRrh-rhIRREGULAR Ventricularrhrate:rh 100 - 175 rh Prhwave:rhunablerhtorhsee PRrhInterval:rhN/A QRSrh<0.12rhsec AtrialrhFlutterrh-rhUsuallyrhREGULARrhcanrhberhirregularrh Atrialrhrate:rh 250 - 350 Ventricularrhrate:rhvariablerhBUTrh<rhatrialrhrate PrhWave:rhFlutter PRrhInterval:rhN/A QRS:rh<0.12rhsec SupraventricularrhTachycardiarh-rhRegular Rate:rh 150 - 350 Prhwave:rhHiddenrhinrhQRSrhorrhTrhwave PR:rhunablerhtorhdetermine QRS:rh<0.12rhsec
QRS:rhWIDErhandrhBIZARRE,rh>0.12rhsec VentricularrhFibrillationrh-rhChaotic Coarse:rhbigrhwaves Fine:rhsmallrhwaves Rate:rhunmeasurable PrhWave:rhNONE PRrhInterval:rhN/A QRS:rhN/A Idioventricularrh-rhRegular Rate:rh 20 - 50 rh Prhwave:rhNONE PRrhInterval:rhN/A QRS:rhWIDE,rh>0.12rhsec AcceleratedrhIdoventricularrhRhythmrh-rhRegular Rate:rh 50 - 100 Prhwave:rhNONE PRrhInterval:rhN/A QRS:rhWIDE,rh>0.12rhsec 1strhDegreerhAVrhBlockrh-rhRegular Rate:rh 60 - 100 PrhWave:rhPresent,rhupright PRrhinterval:rh>0.20rhsecrhCONSISTENTLYrhLONG QRS:rh<0.12rhsec
Husbandrhstaysrhlaterhtillrh 9 rhconsistently 2ndrhDegreerhAVrhBlockrhTyperhIrhMobitz,rhWenckebachrh-rhIRREGULAR Rate:rh 60 - 100 Prhwave:rhPresent,rhupright PRrhInterval:rhProgressivelyrhlongerrhuntilrhdroprh(PRrhintervalrhlongerrhandrhlongerrhuntilrhdrop)rh QRS:rh<0.12rhsec Husbandrhstaysrhlaterhtillrh9,rhthenrh11,rhthenrh1,rhthenrhdoesn'trhcomerhhomerhatrhall 2ndrhDegreerhAVrhBlockrhTyperhIIrh-rhIrregularrhorrhregularrh Rate:rh<60rh Prhwave:rhPresent,rhupright PRrhInterval:rhPRrhintervalrhconsistentlyrhLONGERrhlikerhtyperh 1 rhbutrhthenrharhQRSrhwillrhdrop QRS:rh<0.12rhsec Husbandrhstaysrhlaterhtillrh 9 rhconsistently,rhthenrhwiferhgoesrhoutrhandrhdoesn'trhcomerhhome 3rdrhDegreerhAVrhBlockrh-rhAtrialsrhandrhventriclesrhdon'trhcommunicate Rate:rhregularrhatrial Prhwave:rhPresent,rhupright NorhrelationshiprhbetweenrhPrhwavesrhandrhQRS PRrhInterval:rhVARIABLErh QRS:rhvariablerh P-PrhadrhR-RrhconsistentrhbutrhNOrhcorrelation Husbandrhandrhwiferhliverhseparaterhlivesrhandrhdon'trhcommunicate
QRSrh-rh0.06-0.10rhsecrhSHOULDrhBErh<0.12rhsec WiderhQRS:rhdelayrhinrhventricularrhcontraction,rhdelayrhofrhconductionrhthroughrhbundlerhbranchesrhorrhpurki njerhfibers BUNDLErhBRANCHrhBLOCKrhorrhBLOCKrhINrhPURKINJErhFIBERSrh(idioventricular) CalculaterhRegularrhRaterh-rh1500/rh#rhboxesrhR-R CalculaterhIrregularrhRaterh-rh#rhofrhRsrhinrh 6 rhsecrhstriprhXrh 10 UnifocalrhPVCsrh-rhOnlyrh 1 rhshaperhPVC Bigeminyrh-rhPVCrhoccursrheveryrhOTHERrhbeat Trigeminyrh-rhPVCrhoccursrheveryrhTHIRDrhbeat Coupletrh-rh 2 rhPVCsrhtogether Tripletrh-rh 3 rhPVCsrhtogether Multifocalrh-rhMultiplerhshapes MonomorphicrhVrhTachrh-rhSamerhShapesrhVrhTach PolymorphicrhVrhTachrh-rhDifferentrhShapesrhVrhtach CoarserhVrhFibrh-rhChopyrhbutrhnotrhasrhhighrhasrhpolymorphicrhVrhtach
FinerhVrhFibrh-rhFinerhandrhfibrillatory IdioventricularrhRhythmsrh-rhOnlyrhpurkinjerhfibersrhfiring WIDErhQRSrhalways AtriallyrhPacedrh-rhSpikerhcomesrhbeforerhP VentricularlyrhPacedrh-rhSpikerhcomesrhbeforerhQRSrhandrhQRSrhwillrhberhwide AVrhPacedrh-rhSpikerhbeforerhPrhandrhbeforerhQR FailurerhtorhCapturerh-rhSpikesrhwithrhnorhQRS FailurerhtorhSenserh-rhSpikesrhhappenrhregardlessrhofrhQRSrhonrhtheirrhown Howrhtorhdeterminerhtherhrhythmrh-rhRegularrhorrhirregular? Rate? PrhbeforerheveryrhQRS?rhQRSr hforrheveryrhP? QRSrhwiderhorrhnarrow? QTrhIntervalrh-rh0.34-0. PrhWaverh-rh0.06-0.12rhsec PRrhIntervalrh-rh0.12-0.20rhsec SArhNoderhFiringrhRhythmsrh-rhFiresrhnormallyrh@rh 60 - 100
