EKG Strips Exam Questions and
Answers
Atrial iiFlutter ii-has iia ii"saw iitooth iior iipicket iifence" iiatrial iipattern ii(no iiP iiwaves, iiF-
waves iiin iistead iithat iimay iibe iiin iia iiratio) iibetween iithe iiQRS iicomplexes.
Atrial iiFibrillation-Has ii"chaotic" iiatrial iielectrical iiactivity ii(no iiP iiwaves, iif-waves
iiinstead) iiwith iiirregular iiR-R iiintervals.
PJCs iicause iithe iirhythm iito iibe iiirregular. iiThe iiP iiwave iiis iiinverted iiif iiit iican iibe
iiseen. iiIt iimay iioccur iibefore, iiduring iior iiafter iithe iiQRS. iiThe iiP iiwave iiwill iinot iibe
iiseen iidue iito iiits iilow iivoltage.
Junctional iiRhythm iimay iihave iian iiinverted iior iiabsent iiP iiwave. iiThe iiP iiwave iimay
iioccur iibefore, iiduring iior iiafter iithe iiQRS iicomplex. iiThe iirate iifor iithis iirhythm iiis
ii40-60 iibpm.
, Accelerated iiJunctional iiRhythm iimay iihave iian iiinverted iior iiabsent iiP iiwave. iiThe
iiP iiwave iimay iioccur iibefore, iiduring iior iiafter iithe iiQRS iicomplex. iiThe iirate iifor iithis
iirhythm iiis ii60-100 iibpm.
Junctional iiTachycardia iiRhythm iimay iihave iian iiinverted iior iiabsent iiP iiwave. iiThe
iiP iiwave iimay iioccur iibefore, iiduring iior iiafter iithe iiQRS iicomplex. iiThe iirate iifor iithis
iirhythm iiis ii100-180 iibpm
Supraventricular iiTachycardia iipresents iiwith iia ii"normal-narrow" iiappearing iiQRS
iicomplex iiand iia iirate iiof iigreater iithan ii150 iibpm. iiRemember iifor iiheart iirates
iiapproaching ii150 iior iihigher, iiit iiwill iibe iivery iilikely iithat iithe iiP iiwave iiwill iibe
iiburied. iiBe iiprepared iito iiincrease iithe iipaper iispeed iifor iithis iirhythm.
First iiDegree iiAV iiBlock, iithe iiPR iiinterval iiis iiconstant iiand iimeasures iigreater iithan
ii0.20 iisecond.
Answers
Atrial iiFlutter ii-has iia ii"saw iitooth iior iipicket iifence" iiatrial iipattern ii(no iiP iiwaves, iiF-
waves iiin iistead iithat iimay iibe iiin iia iiratio) iibetween iithe iiQRS iicomplexes.
Atrial iiFibrillation-Has ii"chaotic" iiatrial iielectrical iiactivity ii(no iiP iiwaves, iif-waves
iiinstead) iiwith iiirregular iiR-R iiintervals.
PJCs iicause iithe iirhythm iito iibe iiirregular. iiThe iiP iiwave iiis iiinverted iiif iiit iican iibe
iiseen. iiIt iimay iioccur iibefore, iiduring iior iiafter iithe iiQRS. iiThe iiP iiwave iiwill iinot iibe
iiseen iidue iito iiits iilow iivoltage.
Junctional iiRhythm iimay iihave iian iiinverted iior iiabsent iiP iiwave. iiThe iiP iiwave iimay
iioccur iibefore, iiduring iior iiafter iithe iiQRS iicomplex. iiThe iirate iifor iithis iirhythm iiis
ii40-60 iibpm.
, Accelerated iiJunctional iiRhythm iimay iihave iian iiinverted iior iiabsent iiP iiwave. iiThe
iiP iiwave iimay iioccur iibefore, iiduring iior iiafter iithe iiQRS iicomplex. iiThe iirate iifor iithis
iirhythm iiis ii60-100 iibpm.
Junctional iiTachycardia iiRhythm iimay iihave iian iiinverted iior iiabsent iiP iiwave. iiThe
iiP iiwave iimay iioccur iibefore, iiduring iior iiafter iithe iiQRS iicomplex. iiThe iirate iifor iithis
iirhythm iiis ii100-180 iibpm
Supraventricular iiTachycardia iipresents iiwith iia ii"normal-narrow" iiappearing iiQRS
iicomplex iiand iia iirate iiof iigreater iithan ii150 iibpm. iiRemember iifor iiheart iirates
iiapproaching ii150 iior iihigher, iiit iiwill iibe iivery iilikely iithat iithe iiP iiwave iiwill iibe
iiburied. iiBe iiprepared iito iiincrease iithe iipaper iispeed iifor iithis iirhythm.
First iiDegree iiAV iiBlock, iithe iiPR iiinterval iiis iiconstant iiand iimeasures iigreater iithan
ii0.20 iisecond.