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What is Left Bundle Branch Block and how does it affect ICG technology?

April 26, 2017affect block branch ICG Left Technology

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What is Left Bundle Branch Block and how does it affect ICG technology?

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LBBB is a condition in which the heart does not conduct electrical signals properly through the left branch of the Bundle of His. Depending on the ECG vector, LBBB is manifested in the ECG waveform by marked prolongation of the QRS complex (see Figure 1). How does LBBB affect ICG? ICG technology looks at the morphology of the ECG waveform to detect the R wave. The R wave is used to calculate HR, and serves as a marker for identifying the systolic portion of the impedance waveform. Hence, if enough R waves are missed, no numerical data will be displayed.