Directions for laboratory work in physiology.
- Warren Plimpton Lombard
- Date:
- [1906], [©1906]
Licence: Public Domain Mark
Credit: Directions for laboratory work in physiology. Source: Wellcome Collection.
Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.
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![EXPERIMENT XXVIII. The Radial Pulse Studied by the Tambour Method. a. Form of Radial Pulse. Connect a recording tambour with a tambour designed for radial artery, leaving side branch of tube open. Arrange arm rest and tambour as shown in the diagram. Mark the point on left wrist where strongest pulse is felt. Sub- Fig. 34. Method of applying tani bour to wrist, to obtain sphygmo- gram from the radial artery. A, cross section of wrist; B, back board of arm support; C, cabinet maker's clamp; D, clamp fastening L rod to the horizontal rod of arm rest; E, clamp fastening tube of tambour to short arm of L rod; F, tambour with disk, and prop to rest on artery. ject seats himself comfortably in chair, holding one end of arm rest in lap, while other end is placed on table or stool so as to tilt it at a suitable angle for the arm to rest eas- ily. Place arm on rest with marked point toward tam- bour ; fasten thumb with loop of cloth, using holes in back board : apply button of tambour to marked spot, and adjust tambour so that rod bearing button is in line with tube of tambour and perpendicular to surface of wrist. Vary the ])ressure on artery by sliding tube of tambour in clamp until largest pulsation is given. An excursion of 3-5 mm. with each heart beat should be secured, but a smaller move- ment will suffice where this cannot be obtained. The arm must be relaxed and perfectly quiet. Record the radial pulse on a drum and observe whether the same waves appear as in the carotid pulse. b. Postponement of the Radial Pulse. Arrange to write carotid and radial pulse and fork curve in same vertical line. Make sure that the levers of the tambours are horizontal. Mark relative position of points, then record the three curves with fastest speed given](https://iiif.wellcomecollection.org/image/b21214554_0183.jp2/full/800%2C/0/default.jpg)
