For the following cardiac abnormalities, select the characteristic JVP finding.Right ventricular infarction.: (A) Cannon a wave, (B) prominent x descent, (C) Kussmaul sign, (D) slow y descent
Answer is C. Right ventricular infarction and constrictive pericarditis frequently result in an increase in JVP during inspiration (Kussmaul sign). Severe right-sided failure can also be a cause.