Abstract
During routine cadaveric dissection, we encountered a rare morphological variant of septal band in right ventricle of a human heart in a 50 yr. old male cadaver. The band, as seen in the interior of the right ventricle, was observed to arise from middle part of interventricular septum and was trifurcated into three prominent muscular bands. The importance of variant septal band has been implicated in various heart surgeries on valves or placement of grafts in correction of interventricular septal defects. Presence of right bundle branch in them may lead to various types of arrhythmias and tachycardia. Morphological variations need to be explored in order to further evaluate its type and extent. Incidental septomarginal trabecula have also been reported in cavity of left ventricle in past. Here, we report a large trifurcated septal band with two limbs attached directly to right ventricular wall. Importance of their role in formation of embolus due to stasis of blood also requires attention.