This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'The classical triad of amniotic fluid embolism includes except ________ \nSelect and explain. \nA. Metabolic acidosis, B. Hypotension, C. Hypoxia, D. Severe consumptive coagulopathy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The classical triad of amniotic fluid embolism includes the following: Hypotension Hypoxia Severe consumptive coagulopathy Predisposing conditions: Rapid labor Mecomium-stained aminotic fluid Tears into uterine and other large pelvic veins Older maternal age Post-term preganancy labbor induction or augmentation Eclampsia Casarean/forceps/vaccum delivery Placental abruption / placenta pre Hydraminos Clinical picture: Late stage of labor/immediate postpaum: Sudden gasping for air - Sudden seizures/Cardiorespiratory arrest - massive hemorrhage due to disseminated intravascular coagulation (DIC) Ref:Online resources', 'role': 'assistant'}]