The "Torrstick": A ruler calibrated in millimeters of mercury for measurement of hydrostatic pressure

Frank E Block, G. Todd Schulte, Timothy Morris, Maynard Ramsey

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We have designed and constructed a ruler ("Torrstick") calibrated in millimeters of mercury for the measurement of hydrostatic pressure differences. Marks are placed on a measuring stick every 1.34 cm, to afford the best compromise between a column of 0.9% saline solution and a column of blood. Several uses for this ruler are proposed, including the measurement of central venous pressure.

Original languageEnglish (US)
Pages (from-to)136-138
Number of pages3
JournalJournal of Clinical Monitoring
Volume8
Issue number2
DOIs
StatePublished - Apr 1 1992
Externally publishedYes

Fingerprint

Central Venous Pressure
Hydrostatic Pressure
Mercury
Sodium Chloride

Keywords

  • Blood pressure, measurement
  • Equipment: manometer
  • Measurement techniques: manometry
  • Monitoring: blood pressure; central venous

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine

Cite this

The "Torrstick" : A ruler calibrated in millimeters of mercury for measurement of hydrostatic pressure. / Block, Frank E; Schulte, G. Todd; Morris, Timothy; Ramsey, Maynard.

In: Journal of Clinical Monitoring, Vol. 8, No. 2, 01.04.1992, p. 136-138.

Research output: Contribution to journalArticle

Block, Frank E ; Schulte, G. Todd ; Morris, Timothy ; Ramsey, Maynard. / The "Torrstick" : A ruler calibrated in millimeters of mercury for measurement of hydrostatic pressure. In: Journal of Clinical Monitoring. 1992 ; Vol. 8, No. 2. pp. 136-138.
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