How does sinus block a.k.a. sinus exit block occur? what does it cause? - correct answer When the sinus node fires on time, but the impulse is blocked before it exits the sinus node.
This causes a pause that varies in length depending on how many sinus beats ...
How does sinus block a.k.a. sinus exit block occur? what does it cause? - correct answer
When the sinus node fires on time, but the impulse is blocked before it exits the sinus node.
This causes a pause that varies in length depending on how many sinus beats are blocked.
Will the pause during sinus block be in multiples of the previous RR intervals? - correct answer
Yes, Because the SA node is still firing on time.
The etiology of sinus block can result from what conditions? - correct answer
Ischemia of the SA node. Digitalis toxicity it. Excessive vagal tone. Degenerative fibrotic disease.
Sinus block: rules of interpretation/lead two monitoring.
What must the rate be? - correct answer Normal to slow depending on the
frequency and duration of the arrest.
Sinus block: rules of interpretation/lead two monitoring.
What must the rhythm be? - correct answer Regular.
Sinus block: rules of interpretation/lead two monitoring.
What must the pacemaker site be? - correct answer The SA node.
Sinus block: rules of interpretation/lead two monitoring.
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