Term
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Definition
| sinus rhythm with PR interval >0.20 sec; usually asymptomatic |
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Term
| 2nd degree AV block - Mobitz type 1 |
|
Definition
| progressive prolongation of PR interval with dropped beats; usually asymptomatic |
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|
Term
| 2nd degree AV block - Mobitz type 2 |
|
Definition
| PR interval remains unchanged prior to the P wave which suddenly fails to conduct to the ventricles; usually asymptomatic |
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|
Term
| 3rd degree AV block (complete heart block) |
|
Definition
| Complete absence of AV conduction; atrial rate > ventricular rate; atria and ventricle depolarize independently; asymptomatic or weakness and dyspnea esp. if rate is <35 bpm |
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