bandsnero.blogg.se - Atomic heart map

As a result, these sensors must be kept some distance away from the heart and therefore cannot resolve currents on the millimetre scale. For example, superconductor-based sensors are very good at detecting small magnetic fields, but they must be kept at very low temperatures. The resolution of MCG is limited by factors including sensor size and operating temperature. To diagnose these conditions, cardiologists use magnetocardiography (MCG): a contactless technique the remotely measures the magnetic fields produced by electricl currents in the heart. Some heart diseases including tachycardia and fibrillation are caused by imperfections in how electrical currents are conveyed through the heart.

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