Heart Block

Impaired conduction of cardiac impulse that can occur anywhere along the conduction pathway, such as between the SINOATRIAL NODE and the right atrium (SA block) or between atria and ventricles (AV block). Heart blocks can be classified by the duration, frequency, or completeness of conduction block. Reversibility depends on the degree of structural or functional defects.

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Do not include MeSH terms found below this term in the MeSH hierarchy.

Tree Number(s): C14.280.067.558, C14.280.123.500, C23.550.073.425

MeSH Unique ID: D006327

Entry Terms:

• Block, Heart
• Blocks, Heart
• Heart Blocks
• Auriculo-Ventricular Dissociation
• Auriculo Ventricular Dissociation
• Auriculo-Ventricular Dissociations
• Dissociation, Auriculo-Ventricular
• Dissociations, Auriculo-Ventricular
• A-V Dissociation
• A V Dissociation
• A-V Dissociations
• Dissociation, A-V
• Dissociations, A-V
• Atrioventricular Dissociation
• Atrioventricular Dissociations
• Dissociation, Atrioventricular
• Dissociations, Atrioventricular

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Arrhythmias, Cardiac
Heart Block
Adams-Stokes Syndrome
Atrioventricular Block
Bundle-Branch Block
Interatrial Block
Sick Sinus Syndrome
Sinoatrial Block

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Cardiac Conduction System Disease
Heart Block
Adams-Stokes Syndrome
Atrioventricular Block
Bundle-Branch Block
Interatrial Block
Sick Sinus Syndrome
Sinoatrial Block

All MeSH Categories
Diseases Category
Pathological Conditions, Signs and Symptoms
Pathologic Processes
Arrhythmias, Cardiac
Heart Block
Adams-Stokes Syndrome
Atrioventricular Block
Bundle-Branch Block
Interatrial Block
Sick Sinus Syndrome
Sinoatrial Block