Notes On the Technique of Angiography of the Upper Extremity

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Abstract
Advanced methods of angiography, as applied to the upper extremity, are considered. They consist of puncture of the brachial artery by a needle-cannula combination, and 10 successive exposures. The exposures are made upon a fine-grained nonscreen industrial emulsion, permitting enlargement up to 25 times. Simultaneously, change of color may be recorded by color films. Circulation and especially the collaterals may be studied by cinerecording from an image intensifier or television screen.