Junctional Arrhythmias

Question 1

Premature Junctional Complexes (PJCs)

Answer 1

Rate: depends on underlying rhythm
Regularity: premature beat with pause
P waves: inverted, b4, within (absent), after QRS
PRI: >.12 (short) if b4 QRS
QRS: normal

Question 2

Junctional (escape) Rhythm

Answer 2

Rate: 40-60
Regularity: regular
P waves: inverted, b4, within (absent), or after
PRI: if b4 QRS, short (

Question 3

Accelerated Junctional Rhythm

Answer 3

Rate: 60-100
Regularity: regular
P waves: inverted, b4, within, or after
PRI: if b4, short,

Question 4

Junctional Tachy

Answer 4

Rate: 100-180
Regularity: reg
P waves: inverted, b4, within, after
PRI: if b4,

Question 5

Junctional Escape Beat

Answer 5

Rate: -
Regularity: post mature beat after pause
P waves: inverted, b4, within, after
PRI: if b4,

Question 6

Supraventricular Tachy (SVT)

Answer 6

Rate: 150-250
Regularity: regular
P waves: difficult to identify
PRI: n/a
QRS: normal