High-grade atrioventricular block refers to atrioventricular block with an atrioventricular conduction ratio exceeding 2:1, manifesting as 3:1, 4:1, 5:1, etc. The site of block can be within the atrioventricular node, the bundle of His, or the bundle branch-Purkinje system.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
This section is being translated and completed.
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This information is for health education only and is not a diagnosis. Please consult a qualified clinician if you feel unwell.