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What is Which of the following condition should not considered if JVP rises on deep inspiration? and explain in detail?
JVP rises on deep inspiration is called as kussmaul's sign Mechanism: In normal body,During inspiration their is negative intrathoarcic pressurre & Increased intrathoracic volume,This will lead to increase in right hea capacity and the JVP falls with inspiration (Normal body) Whereas in ceain conditions, the hea is less compliant and a raise in venous return is seen, which will lead to raised JVP Kussmaul's sign is seen in where the right side of hea is not functioning properly Constrictive pericarditis -Right side of hea will not be functioning normally due to calcification. Restrictive cardiomyopathy - Right side of hea will not be functioning normally due to fibrosis. Complete Hea block causes CANON A waves Atrial fibrillation - Twitching Absent P wave in ECG; A wave absent in JVP | No rise of JVP in atrial fib