Cardiac myocardial mapping is a diagnostic procedure used to assess and visualize the electrical activity and function of the heart muscle, particularly the myocardium (the heart muscle tissue). This test provides detailed information about the heart’s electrical conduction system and can help identify areas of abnormal electrical activity or scar tissue within the myocardium that could contribute to arrhythmias (irregular heartbeats), heart failure, or other cardiac conditions.
The procedure typically involves the use of electrophysiological techniques, such as 3D electroanatomical mapping, where electrodes are placed in or around the heart to record the electrical signals generated by the heart muscle. These signals are then used to create detailed maps of the electrical activity, allowing doctors to pinpoint areas of abnormal conduction or myocardial infarction (heart attack) damage.
Cardiac myocardial mapping is particularly useful for arrhythmia management, including the identification of ventricular tachycardia, atrial fibrillation, or other complex arrhythmias. It also plays a role in assessing heart failure and planning for interventions like catheter ablation, implantable devices (such as pacemakers or defibrillators), or surgical procedures. By mapping the electrical activity of the heart, it provides valuable insight into the underlying causes of abnormal heart rhythms and helps guide targeted treatment approaches.
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