What heart rhythm, also called respiratory arrhythmia, occurs when the SA node fails to maintain a regular sinus rate from beat to beat?
a. sinus bradycardia
b. sinus tachycardia
c. sinus arrhythmia
d. sinus pause
Answer: C
What heart rhythm, also called respiratory arrhythmia, occurs when the SA node fails to maintain a regular sinus rate from beat to beat?
a. sinus bradycardia
b. sinus tachycardia
c. sinus arrhythmia
d. sinus pause