<prompt> A 65-year-old man is about to undergo an elective hip replacement. A pre-operative ECG is taken see below. Based upon the ECG, which of the following jugular venous pressure JVP abnormalities is most likely to be present?Absent A wavesCannon A wavesGiant V wavesRise in JVP during inspiration  <response>: ECG Variable RR interval in the later pa of ECG. So, it is Dx of Atrial fibrillation. Option A: Absent A wave Option B: Cannon A waves found in Hea Block Junctional tachycardia Option C: Giant V waveTR Option D: Rise JVP during Inspiration Kussmaul sign 