This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Wide pulse pressure may be seen in all Except: \nSelect and explain. \nA. Aoic Regurgitation, B. PDA, C. Complete Hea Block, D. Congestive Hea failure', 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is D (Congestive Hea Failure) Hea Failure is associated with a narrow pulse pressure Pulse Pressure Pulse pressure is the difference between systolic and diastolic blood pressure 1. Wide pulse pressure (>50% systolic BP) Common Causes Aoic Regurgitation Patent Ductus Aeriosus Complete Hea Block Hypehyroidism Beni Beri Pregnancy Fever /Hot weather Anemia Anxiety Paget's disease of bone (Extensive AV shunting through bone) Aeriovenous shunting Others (Life threatening increased ICP etc) 2. Narrow Pulse Pressure (<25% systolic BP) Common causes Congestive Hea Failure Aoic stenosis (severe) Cardioc Tamponade Dehydration", 'role': 'assistant'}]