Apr 14, 2024 · In severe cases, heart block can affect your heart’s ability to pump blood, causing low blood flow to your entire body. People are more likely to acquire heart block later in life than to have …

Any disease that can infiltrate the heart such as sarcoidosis and certain cancers or any disease that results in heart inflammation such as certain autoimmune disease or infections can result in heart block.

Heart block (HB) [1] is a disorder in the heart 's rhythm due to a fault in the natural pacemaker. [2] This is caused by an obstruction – a block – in the electrical conduction system of the heart.

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 signal is …

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.

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 may …

Dec 9, 2025 · Care guide for Heart Block. Includes: possible causes, signs and symptoms, standard treatment options and means of care and support.

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.

For most people, heart block develops as they get older. It happens when the electrical signals that connect the top and bottom of the heart develop fibrosis and start to fail.

Overview of Heart Block - Learn about the causes, symptoms, diagnosis & treatment from the MSD Manuals - Medical Consumer Version.