You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Depolarization of the ventricular muscles starts at and explain in detail?
A. i.e. (Left side of the interventricular septum) (549- Ganong 22nd) (492- Ganong 23rd)* In humans - depolarization of the ventricular muscle starts at the left side of the interventricular septum** and moves first to the right across the midportion of the septum. The wave of depolarization then spreads down the septum to the apex of the heart* Depolarization initiated in the SA node spreads radially through the atria then converges on the AV node.