types of heart block

Question 1

first degree heart block

Answer 1

PR interval > 0.2 seconds

Question 2

second degree heart bock type 1

Answer 2

progressive prolongation of the PR interval until a dropped beat occurs

Question 3

second degree heart block type 2

Answer 3

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

Question 4

Third degree (complete heart block)

Answer 4

there is no association between the P waves and QRS complexes