"The only difference is the heart rate."
Except for the rate, that will be below 60 in sinus bradycardia, all the properties of sinus bradycardia are identical to those of normal sinus rhythm. Other dysrhythmias will result in P waves that have a different form. For sinus rhythms, the QRS is at the same voltage. When there are aterioventricular blockages, the P-R interval is lengthened.
"Sinus arrhythmia" is the term used when the sinus rate is erratic. Sinus tachycardia refers to a sinus rhythm that is quicker above the typical range, whereas sinus bradycardia refers to a slower pace.
Here's another question with an answer similar to this about sinus rhythm and sinus bradycardia: https://brainly.com/question/27960215
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