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 Which of the following is true about Tetralogy of Fallot? and explain in detail?
There is an associa on with DiGeorge syndrome. Tetralogy of Fallot is the most common congenital cyano c hea condition. It may present with cyanosis in the first few days of life, though this is rare. Usually, it presents as a murmur detected in first few months of life or as hypercyano c spells in late infancy. A hot bath will increase cyanosis, as the vasodilator on results in a decrease in the peripheral vascular resistance, and so the flow through the pulmonary aery decreases, and cyanosis increases. During a cyano c spell the decrease (not increase) in flow through the pulmonary aery results in the murmur becoming so er or inaudible. There is a right-sided aor c arch in about 30% of cases.