This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Pulsus paradoxus is present in all except 
Select and explain. 
A. Emphysema, B. Pulmonary embolism, C. Hypovolemic shock, D. Hyperophy cardiomyopathy
D: Hyperophy cardiomyopathy
Answer: D: Hyperophy cardiomyopathy 
Explanation: Ref Harrison 19 th ed pg 1553 Pulsus paradoxus is a sign that is indicative of several conditions, including cardiac tamponade, chronic sleep apnea, croup, and obstructive lung disease (e.g. asthma, COPD)