atrioventricular block

Question 1

what is atrioventricular block?

Answer 1

there is impaired electrical conduction between atria and ventricles

Question 2

first-degree heart block

Answer 2

Pr interval > 0.2 seconds

asymptomatic first-degree heart block is relatively common and does not need treatment.

Question 3

type 1 second-degree heart block

Answer 3

progressive prolongations of the Pr interval until a dropped beat occurs

Question 4

type 2 second-degree heart block

Answer 4

PR interval is constant but the P wave is often not followed by a QRS complex.

Question 5

third-degree complete heart block

Answer 5

there is no association between the P waves and QRS complexes.