A 65-year-old man on ICU has an arterial line in the right radial artery. The arterial waveform shows a dicrotic notch that is positioned unusually lo...

Question

A 65-year-old man on ICU has an arterial line in the right radial artery. The arterial waveform shows a dicrotic notch that is positioned unusually low on the descending limb, with a wide pulse pressure and a rapid systolic upstroke. What condition does this waveform pattern most likely represent?

Accepted Answer

Aortic regurgitation

Answer

Severe aortic stenosis

Answer

Cardiac tamponade

Answer

Normal arterial waveform

Answer

Hypovolaemia

uk-fficm MCQ (SBA): Arterial Waveform Analysis

A 65-year-old man on ICU has an arterial line in the right radial artery. The arterial waveform shows a dicrotic notch that is positioned unusually low on the descending limb, with a wide pulse pressure and a rapid systolic upstroke. What condition does this waveform pattern most likely represent?