Sinus Arrhythmia Flashcards
1
Q
What are the conditions that can cause sinus arrhythmia?
A
MI
Advanced age
Use of digoxin or morphine
Increased intracranial pressure
2
Q
What has a irregular rhythm which corresponds to the respiratory cycle, rate within normal limits, all other parameters within normal range?
A
Sinus arrhythmia
3
Q
What is important to remember about the rate of sinus arrhythmia?
A
Faster with inspiration, decreases during expiration
4
Q
What is the treatment for sinus arrhythmia?
A
Unless the pt is symptomatic, don’t treat
5
Q
What is the cause of sinus arrhythmia?
A
Pacemaker cells of the SA node fire irregularly
Can occur naturally in athletes and children
Isn’t significant and produces no symptoms
