Question: When it comes to pericardial tamponade, which of the following statements is NOT correct? 
 Options:  <1> Chest radiography is very useful for diagnosis. <2> The jugular venous registry allows to objectify a very deep collapse. <3> The presence of a paradoxical arterial pulse is common. <4> Right atrial collapse is very sensitive for diagnosis. <5> Right ventricular collapse is very specific for diagnosis.
1