H. Meilman, I. Kronzon, N. Krasnow

Research output: Contribution to conferencePaperpeer-review


A miniature (2. 2mm diameter) echocardiographic transducer with the frequency of 5 MHz was mounted to the tip of the obturator of a pericardiocentesis needle. This transducer was connected to the standard m-mode echocardiography equipment. The distance between the cardiac structures were recorded as the needle was advanced from the chest wall towards the heart in five animals (3 dogs, 2 pigs). During this experiment, the location of the pericardium in relation to the needle tip was carefully monitored. Later, pericardial effusion was created in each animal, by saline injection into the pericardial sack via an open thoracotomy. The needle again was advanced from the chest wall into the pericardium, and after puncture of the pericardium, the pericardial effusion was drained. During the entire procedure, the distance between the needle tip and the cardiac structures could be recorded. This new echocardiographic needle probe may improve the safety of pericardiocentesis.

Original languageEnglish
Number of pages1
StatePublished - 1984
Externally publishedYes


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