An aid to cholangiography.

An Aid to Ejection?*

g e s l t i p o i i y l d g o Ventricular torsion has long been recognized as a feature of normal mammalian cardiac function (1). During systole, the apex of the left ventricle rotates anticlockwise and the base clockwise, as viewed from the apex. This characteristic wringing motion is clearly visualized with magnetic resonance tissue tagging (2) or echocardiographic speckle tracking (3). It ha...

An Aid to Pan Boiling

In practice, the.two electrodes, which are insulated from each other, are bolted through the pan wall into the massecuite space. The set-up is much the same as that of the normal conductivity electrodes; except that they are of different metals. At this stage it should be mentioned, that the pan wall can be used as one olectrole, in which case it is necessary to insert only one electrode into t...

drawing diagrams as an aid to architectural design process

designers draw diagrams to think about architectural concepts and design concerns. scientists are interested in programming computers to recognize and interpret design diagrams to deliver appropriate tools for the design task at hand. researchers conducted empirical studies to find out if designers share drawing conventions when designing. the experiment results show that designers use differen...

[Operative cholangiography].

The value of operative cholangiography in the management of biliary tract disease has been questioned. To better define the role of cholangiography, we reviewed 579 consecutive cholecystectomies done by 1 group of surgeons in a small rural practice over 8 years. Cholangiography demonstrated unsuspected common bile duct disease in 5% of the procedures, while 12% of the patients were spared an un...

Peritoneoscopy as an Aid to Diagnosis.