![]() Because so many arrhythmias are caused by some problem within the heart's electrical system, this is a valuable tool. Short for "electrocardiogram", an ECG records the heart's electrical activity. How does a doctor diagnose bundle branch block?īundle branch block is usually found during an ECG. In addition, the risk of mortality for heart failure increases when one has bundle branch block. ![]() If you have bundle branch block and heart disease, it can increase the risk of mortality from other ailments. However, if you have a heart disease, it's important to inform the physician diagnosing you or your doctor. If these symptoms are not present, the bundle branch block usually isn't an immediate cause for concern. In those rare cases where bundle branch block is symptomatic, the signs can include lightheadedness, dizziness, lacking energy, or shortness of breath. Up to five percent of the population may have bundle branch block in the right side of their heart without knowing it. Most of the time, it is found while a doctor is doing tests. What symptoms might bundle branch block present with?īecause bundle branch block is so minor, it rarely presents with symptoms. This is referred to as bundle branch block. Interrupting the connection causes it to slow down, and one side of the heart contracts a fraction of a second later. These electrical signals pass from the top to the bottom of your heart, through the so-called "bundle branches". As it happens, the connection between the atria and ventricles can be interrupted on one side or the other. The heart has two atria and two ventricles, both sides having electrical connections to the sinoatrial node. By producing electrical signals, it gets the top of your heart (the atria) to contract in conjunction with the bottom of your heart (the ventricles). Your heart has its own pacemaker, called the sinoatrial node. The idea for a pacemaker is based on your heart's natural system. This device generates electrical signals that get the heart to beat at specified times. When your heart has trouble beating, a pacemaker is often a potential treatment.
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