Key result
Patients with cardiac tamponade exhibited exaggerated respiratory variations in Doppler echocardiographic parameters, including a 40% mean change in mitral E velocity and 123% in tricuspid E velocity, which decreased after pericardiocentesis.
Why the study?
What are the respiratory variations of Doppler echocardiographic parameters in patients with cardiac tamponade?
Observational (n=24)
What are the respiratory variations of Doppler echocardiographic parameters in patients with cardiac tamponade?
Doppler echocardiography demonstrates marked reciprocal respiratory variations in right and left ventricular inflows that are characteristic of cardiac tamponade.
May inform Doppler evaluation of suspected tamponade; leaves open validation in larger cohorts.
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Jung et al. (1998) conducted an observational in Cardiac tamponade (n=24). Cardiac tamponade vs. Healthy controls was evaluated on Mean percentage change in early diastolic mitral inflow (E velocity) during respiration (p=<0.05). Patients with cardiac tamponade exhibited exaggerated respiratory variations in Doppler echocardiographic parameters, including a 40% mean change in mitral E velocity and 123% in tricuspid E velocity, which decreased after pericardiocentesis.
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