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
Giant 'V' wave on examination of the jugular venous pulse is suggestive of - 
Select and explain. 
A. Atrial flutter with changing block, B. Tricuspid incompetence, C. Ventricular septal defect, D. Pulmonary stenosis
B: Tricuspid incompetence
Answer: B: Tricuspid incompetence 
Explanation: None