BayCare EKG Test 2025/2026 – Complete Solved Exam with Correct Answers

BASIC EKG INTERPRETATION
(BAYCARE)




What,wave,is,normal,for,it,to,not,be,there,on,an,EKG?,-,ans-✔✔Q,Wave

What,does,the,P,wave,represent?,-,ans-✔✔atrial,depolarization,(atrial,contraction)

Where,does,the,P,wave,originate?,-,ans-✔✔SA,node

What,does,the,QRS,complex,represent?,-,ans-✔✔ventricular,depolarization,(contraction)

How,long,is,the,PR,interval?,-,ans-✔✔0.12-0.20,seconds,(3-5,small,boxes)

*Measure,from,the,beginning,of,the,P,wave,to,beginning,of,the,QRS

How,long,is,the,QRS,complex?,-,ans-✔✔0.10,seconds,or,less

*Measure,from,the,beginning,of,the,QRS,to,end,of,QRS

How,long,is,the,QT,interval?,-,ans-✔✔≤,0.40,seconds

*Varies,according,to,the,rate.,Measure,from,the,beginning,of,the,QRS,to,the,end,of,the,T

What,are,sinus,rhythms?,-,ans-✔✔rhythms,that,originate,in,the,SA,node

What,are,the,characteristics,of,sinus,bradycardia?,-,ans-✔✔Rate:,<60
Rhythm:,Regular
P,waves:,Upright,,look,alike,,one,for,every,QRS
PRI:,Normal
QRS:,Normal

What,are,the,characteristics,of,sinus,tachycardia?,-,ans-✔✔Rate:,>100,<180

, Rhythm:,Regular
P,Waves:,Upright,,look,alike,,one,for,every,QRS
PRI:,Normal
QRS:,Normal

What,are,the,characteristics,of,sinus,block?,-,ans-✔✔Rate:,Usually,50,-,80s
Rhythm:,Irregular
-,Measure,R,-,R,after,the,pause,-,does,it,come,right,back,onto,the,R,wave?
P,waves:,Upright,,look,alike,,one,for,every,QRS
PRI:,Normal
QRS:,normal

What,are,the,characteristics,of,sinus,arrest?,-,ans-✔✔Rate:,40,-,70's,-,80's
Rhythm:,Blatantly,Irregular
-,Measure,R-
R,intervals.,If,does,NOT,come,back,onto,R,wave,,it,is,sinus,arrest.,When,you,call,MD,,must
,know,the,length,of,the,arrest
P,Waves:,Upright,,look,alike,,one,for,every,QRS
PRI:,Normal
QRS:,Normal

What,are,the,characteristics,of,wandering,atrial,pacemaker?,-,ans-✔✔Rate:,60,-,100
Regularity:,Iregular
P,waves:,Three,(3),or,more,different,looking,P's
PRI:,Varies
QRS:,Usually,withing,normal,limits,(WNL)

What,are,the,characteristics,of,supraventricular,tachycardia?,-,ans-✔✔Rate:,180,or,>
Regularity:,Regular
P,Waves:,Not,usually,seen,due,to,rate
PRI:,Not,measurable
QRS:,Within,normal,limits,(WNL)

What,are,the,characteristics,of,atrial,fibrillation?,-,ans-✔✔Rate:,<100,controlled,a-
fib;,>100,uncontrolled,a-fib
Rhythm:,WILL,ALWAYS,BE,IRREGULAR!
P,waves:,None
PRI:,None
QRS:,Usually,within,normal,limits

What,are,the,characteristics,of,atrial,flutter?,-,ans-✔✔Rate:,Can,vary
Regularity:,Regular,or,irregular
P,waves:,None,,flutter,waves,,sawtooth
PRI:,Not,measurable
QRS:,Within,normal,limits