This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Medicine
"Kussmaul's sign" is 
Select and explain. 
A. Increase in the JVP during inspiration, B. Decrease in the JVP during inspiration, C. Change in the blood pressure during exercise, D. Epigastric pulsation during running
A: Increase in the JVP during inspiration
Answer: A: Increase in the JVP during inspiration 
Explanation: (Increase in the JVP during inspiration) (1306-H) (1384-H17lh)Kussmaul's sign - an increase rather than the normal decrease in the JVP during inspiration-is most often caused by severe right-sided heart failure, it is a frequent finding in patients with constrictive pericarditis or right ventricular infarction**