Kussmaul's Sign on Physical Exam

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks in" blood from vena cava. When there is a lack of decrease or increase in JVP with inspiration, this finding is called Kussmaul's sign.  Kussmaul's sign reflects conditions where there is RV dysfunction, impaired RV filling and increased RA pressure. 



- Dr. Bibin Varghese @varghes_bibin



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