What is Kussmaul’s sign ?
Kussmaul’s sign, an inspiratory increase in systemic venous pressure, is commonly present in chronic constrictive pericarditis but is rarely detected in acute cardiac tamponade.
Kussmaul’s sign of constrictive pericarditis
A patient with constrictive-effusive pericarditis from tuberculosis. The Kussmaul’s sign is present and probably prominent X and Y descend of jugular venous pulsation. (A case from general medicine OPD)
Also worthy to note that Kussmaul resps are a LATE sign of MA/DKA.