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  1. Heart Block: Types, Symptoms & Causes - Cleveland Clinic

    Apr 14, 2024 · What is heart block? Heart block is an issue with a heartbeat signal traveling from the top chambers of your heart to the bottom chambers of your heart. Normally, electrical …

  2. Heart Block: Causes, Symptoms, Disgnosis, Treatment - WebMD

    Jan 8, 2025 · Every time your heart beats, an electrical signal travels from the upper to the lower chambers. Along the way, the signal tells your heart to contract and pump blood. When that …

  3. Heart Block - Johns Hopkins Medicine

    When you have heart block, there is interference with the electrical signals that usually move from the atria to the ventricles. These signals tell your heart when to beat. This is known as a …

  4. Heart block: MedlinePlus Medical Encyclopedia

    May 5, 2025 · Heart block occurs when the electrical signal is slowed down or does not reach the bottom chambers of the heart. Your heart may beat slowly, or it may skip beats. Heart block …

  5. Heart Block: Types, Causes, Symptoms, and Risk Factors

    Sep 2, 2025 · Heart block is a delay or disruption within the heart's electrical conduction system that controls the rhythm and beats, causing the heart to beat slowly or skip beats.

  6. Heart Block - What You Need to Know - Drugs.com

    Dec 9, 2025 · Heart block is a problem with the flow of electrical signals in your heart. The electrical signals control the way your heart beats. With heart block, these signals are delayed …

  7. Heart Block – Symptoms and Causes | Penn Medicine

    What is heart block? Heart block is an abnormal heart rhythm where your heart beats much slower than it should, due to a malfunction in the heart’s electrical system.

  8. Overview of Heart Block - Heart and Blood Vessel Disorders

    Heart block is a delay in the conduction of electrical current as it passes through the conduction system of the heart, including the atrioventricular node, bundle of His, or both bundle …

  9. Heart Block - Health Encyclopedia - University of Rochester Medical Center

    Heart block occurs when the electrical signals from the top chambers of your heart don’t conduct correctly to the bottom chambers of your heart. There are three types of heart block.

  10. Quick Facts: Heart Blocks - Merck Manual Consumer Version

    A heart block is a delay or blockage in your heart's conduction system that causes an abnormal heart rhythm. There are many different types of heart block. What causes a heart block? Your …