Man and Technique

Technique and Interpretation of Selective Coronary Arteriography in Man.

The radiographic study of coronary arteries in man has been attempted only in recent years. The earliest workers in this sphere employed thoracic aortography, the opaque medium being introduced by needle puncture (Radner, 1945) or retrograde catheterization of the ascending aorta. Lehman, Boyer, and Winter (1959) have reviewed the early results and the subsequent development ofaortography, and ...

The technique of coronary sinus catheterization in man.

Catheter technique for recording His bundle activity in man.

A technique for the routine recording of His bundle (H) activity in man using a bipolar or multipolar catheter is described. The recording catheter is inserted percutaneously, via the Seldinger method, into the right femoral vein and advanced fluoroscopically into the right atrium. Placement of the pre-formed curve at the catheter tip across the tricuspid valve in nine patients resulted in stab...

A new philosophy of man and humanism

The theoretical basis for the new philosophy was laid by the American philosopher James Joseph Dagenais (1923-1981), who came to the conclusion that philosophical anthropology is not a science, but a domain unto itself, and that a philosophy of man can only come about as a joint undertaking of all sciences, in which the object of study must be man himself. The final explanation of man lies outs...

comparison between conventional and alternative technique in extraction of maxillary molars

چکیده ندارد.