atrioventricular block

(redirected from first-degree AV block)
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Related to first-degree AV block: Second degree AV block
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Noun1.atrioventricular block - recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeatatrioventricular block - recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat
arrhythmia, cardiac arrhythmia - an abnormal rate of muscle contractions in the heart
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References in periodicals archive ?
A routine 12-lead EKG was performed on admission which showed ST elevation in inferior leads with Q waves and sinus rhythm with first-degree AV block (Figure 1) with troponin-I levels of 38.22 ng/dl, suggestive of a recent age indeterminate inferior wall ST elevation myocardial infarction.
First, why does CHB not develop in all anti-Ro-positive pregnancies but in only 1-2% of such pregnancies?[16] Second, why does first-degree AV block never progress in certain cases but progress rapidly to AVB II and AVB III in other cases?
First-degree AV block and Mobitz type I 2nd-degree AV block are common manifestations.