Human genes for second-degree atrioventricular block
Second-degree atrioventricular block [DOID:0050822]
An atrioventricular block that is characterized by progressive prolongation of the PR interval on consecutive beats followed by a blocked P wave on electrocardiogram or intermittently non-conducted P waves not preceded by PR changes on electrocardiogram caused by a conduction block between the atria and the ventricles through the atrioventricular node.
Synonyms: second-degree atrioventricular block, DOID:0050822, seconddegree atrioventricular block, second-degree atrioventricular blocks, second-degree heart block ...