complete heart block


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complete heart block

A condition in which there is a complete dissociation between atrial and ventricular systoles. Ventricles may beat from their own pacemakers at a rate of 30 to 40 beats per minute while atria beat independently. Synonym: third-degree heart block
See also: heart block
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References in periodicals archive ?
With an increasing number of case reports, testing for anti-Ro antibodies should be considered in patients with complete heart block, where structural, biochemical, and electrophysiological causes have been excluded, even in the absence of an established connective tissue disorder.
Diagnosis of NLE is made when a newborn of a mother with antibodies to SSA/Ro, SSB/La, or U1 RNP develops complete heart block (and or other cardiac manifestations), typical rash, and hepatic, neurologic, or hematologic manifestations.
Complete heart block was seen in 13% of subjects of which 31% each had inferior and anterior MIs.
Varying degree of conduction abnormalities ranging from transient first degree atrio-ventricular block to higher degree atrio-ventricular block including complete heart block has been noted.
The highest tested concentration (100 [micro]M BPA) produced complete heart block.
The clinical course of acquired complete heart block in children with acute myocarditis.
Congenital complete heart block (CCHB) [2] is the complete electrical dissociation between atrial and ventricular electrical activity due to atrioventricular nodal dysfunction.
Complete heart block in a patient with Wegener's granulomatosis in remission--a case report.
Multivessel coronary spasm presenting with acute myocardial infarction complicated by complete heart block or recurrent ventricular fibrillation and cardiogenic shock though rare has been reported previously.
In complete heart block, damage to the heart's electrical conduct system prevents electrical impulses from the upper chambers (atria) getting to the lower chambers (ventricles), so that the ventricles cannot contract properly and pump blood round the body.

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