ch 9 junctional rhythms
TRANSCRIPT
The ECG Course
Adam Thompson, EMT-‐P, BAS
Chapter 9 Junc;onal Rhythms
Junctional Rhythms
Junctional Rhythm
• Rate: 40 -‐ 60 bpm • Rhythm: Regular • P wave: none, antegrade, or retrograde • P:QRS ra;o: 1:1 or retrograde • PR-‐interval: None, short, or retrograde • QRS Width: < 120 ms (0.12 sec)
Accelerated Junctional Rhythm
• Rate: 60 – 100 bpm • Rhythm: Regular • P wave: none, antegrade, or retrograde • P:QRS ra;o: 1:1 or retrograde • PR-‐interval: None, short, or retrograde • QRS Width: < 120 ms (0.12 sec)
Junctional Rhythm
• Rate: > 100 bpm • Rhythm: Regular • P wave: none, antegrade, or retrograde • P:QRS ra;o: 1:1 or retrograde • PR-‐interval: None, short, or retrograde • QRS Width: < 120 ms (0.12 sec)
Junctional Rhythms
Junctional Rhythms
Junctional Rhythms
Junctional Rhythms
Junctional Rhythms
Supraventricular Tachycardia
Supraventricular Tachycardia
• Rate: Usually > 150 bpm • Rhythm: Regularly Regular • P wave: none or retrograde • P:QRS ra;o: 1:1 or retrograde • PR-‐interval: None • QRS Width: < 120 ms (0.12 sec)
Supraventricular Tachycardia
Types of SVT • AV Nodal Reentry Tachycardia • Atrioventricular Reentry Tachycardia
SVT
SVT
SVT
SVT
Tachycardias
Sinus Tach
MAT
Ectopic A-Tach
Junctional
AVNRT/AVRT
A-Flutter
P
P
P
P
P
F F F F
P F P-‐Wave FluVer Wave
