A healthcare provider is assessing a patient who has a pericardial effusion and notes a pulsus paradoxus. A student asks for an explanation of how this occurs. What description by the professional is best?
◦ Diastolic filling pressures of the right ventricle and reduction of blood volume in both ventricles
◦ Blood ejected from the right atrium and reduction of blood volume in the right ventricle
◦ Blood ejected from the left atrium and reduction of blood volume in the left ventricle
◦ Diastolic filling pressures of the left ventricle and reduction of blood volume in all four heart chambers