Kussmaul's sign is named after the German doctor who first described it, Adolph Kussmaul (1822-1902).  He is also credited with describing Kussmaul breathing.
Could you please explain what Kussmaul's sign refers to?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: Could you please explain what Kussmaul's sign refers to? [/INST] \n Kussmaul's sign is named after the German doctor who first described it, Adolph Kussmaul (1822-1902).  He is also credited with describing Kussmaul breathing.</s>