Which heart conduction block is characterized by a longer P-R interval (0.2 sec)?

Name: Which heart conduction block is characterized by a longer P-R interval (>0.2 sec)?
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Question

Which heart conduction block is characterized by a longer P-R interval (>0.2 sec)?

Quizplus · Accepted Answer

Sinus blocks result in the impulse not propagating past the SA node.Second-degree blocks are divided into Mobitz types 1 and 2 in which P waves are fail to conduct or a QRS complex is dropped respectively.Third-degree blocks have no relationship between P waves and the QS complex.First-degree blocks have a 1:1 P wave to QRS complex.

Which Heart Conduction Block Is Characterized by a Longer P-R