Sinus Arrest

Question 1

Apart from a dropped PQRST complex what rhythm as a normal ECG where the rate can vary due to the dropped beats?

Answer 1

Sinus arrest

Question 2

What is the clinical significance of sinus arrest?

Answer 2

Depends on pt symptoms

Question 3

What is the treatment for sinus arrest?

Answer 3

A symptomatic = no treatment

Symptomatic = correct underlying cause to maintain cardiac output

Question 4

What is the cause of sinus arrest?

Answer 4

Lack of electrical activity in the atrium so the atria aren’t stimulated leading to a dropped PQRST complex