Normally, how is the Interventricular Septum positioned in relation to the Right Ventricle?

The interventricular septum is normally positioned mildly bowed towards the right ventricle during diastole. This curvature is a result of the pressure differences between the left and right sides of the heart. Typically, the left ventricle generates higher pressure compared to the right ventricle, which causes the septum to bow slightly into the right ventricle, creating a slight curvature.

This normal bowing facilitates proper filling dynamics of the right ventricle and ensures efficient contraction during systole. It’s important for clinicians to recognize the normal anatomical position of the interventricular septum, as significant changes in its shape or position could indicate underlying pathology, such as pressure overload in the right ventricle or hypertrophy of the ventricle.

In cases where the septum is described as flat, hyperdynamic, or thickened, these conditions would generally suggest abnormal states, such as volume overload or hypertrophy, which deviate from the normal physiological state. This understanding is crucial in evaluating cardiac function and structure during echocardiographic assessments.