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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Pulmonary flow is decreased in -
assistant
The correct answer is  Rapid breathing in response to low oxygen levels and reduced pulmonary blood flow can occur. The hea murmur, which is commonly loud and harsh, is often absent in the first few days of life. The aerial oxygen saturation of babies with tetralogy of Fallot can suddenly drop markedly Ref Davidson 23rd edition pg 455