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Rabbit Ear Right Bundle Branch Block Ecg. Rabbit ears occur when there is a delay or block in the right bundle branch. Because the right bundle branch is blocked the left ventricle depolarizes first.
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Right Bundle Branch Block Occurs in medical conditions that affect the right side of the heart or the lungs pulmonary embolus chronic lung disease cardiomyopathy atrial and ventricular septal defects Observation of RBBB should trigger a screening exam for above conditions. In the setting of RBBB depolarization ie activation of the right ventricle will. The STT segments are grossly abnormal.
1 QRS wide at 120 ms or more 12 sec.
There is right bundle branch block but no left hemiblock as the frontal plane axis is normal. Many ST segments on this ECG have a flat appearance rather than the normal concave up shape. This ECG is a difficult one. The failure of 2 out of every 3 P waves to.
