Sinus Rhythms Flashcards
(4 cards)
1
Q
Normal Sinus Rhythm
A
Rate: 60-100 bpm Rhythm: Regular P waves: Normal; 1 for each QRS complex PR interval: 0.12-0.20 seconds QRS interval: <0.12 seconds
2
Q
Sinus Bradycardia
A
Rate: <60 bpm Rhythm: Regular P waves: Normal; 1 for each QRS complex PR interval: 0.12-0.20 seconds; lengthens as rate decreases QRS interval: <0.12 seconds
3
Q
Sinus Tachycardia
A
Rate: >100 bpm Rhythm: Regular P waves: Normal; 1 for each QRS complex PR interval: 0.12-0.20 seconds; shortens as rate increases QRS interval: <0.12 seconds
4
Q
Sinus Pause / Arrest / Block
A
Rate: 60-100 bpm
Rhythm: Irregular due to missed PQRST beats
P waves: Regular; preceding each QRS complex when complexes are present
PR interval: 0.12-0.20 seconds; may be >0.20
QRS interval: <0.12 seconds
