Kussmaul’s sign is classically seen in
Normally, the venous pressure should fall by at least 3 mmHg with inspiration. Kussmaul's sign is defined by either a rise or a lack of fall of the JVP with inspiration and is classically associated with constrictive pericarditis, although it has been reported in patients with restrictive cardiomyopathy, massive pulmonary embolism, right ventricular infarction and advanced left ventricular systolic heart failure.
Infective endocarditis
Malignant hypertension
Constrictive pericarditis
Patent ductus arteriosus