FR2405056A1 - Heart volume measuring process - uses attenuation agent concentration and time necessary to reach max. concentration to provide calculation parameters - Google Patents

Heart volume measuring process - uses attenuation agent concentration and time necessary to reach max. concentration to provide calculation parameters

Info

Publication number
FR2405056A1
FR2405056A1 FR7730094A FR7730094A FR2405056A1 FR 2405056 A1 FR2405056 A1 FR 2405056A1 FR 7730094 A FR7730094 A FR 7730094A FR 7730094 A FR7730094 A FR 7730094A FR 2405056 A1 FR2405056 A1 FR 2405056A1
Authority
FR
France
Prior art keywords
concentration
time necessary
measuring process
volume measuring
calculation parameters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7730094A
Other languages
French (fr)
Other versions
FR2405056B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR7730094A priority Critical patent/FR2405056A1/en
Priority to DE19782843492 priority patent/DE2843492A1/en
Publication of FR2405056A1 publication Critical patent/FR2405056A1/en
Application granted granted Critical
Publication of FR2405056B1 publication Critical patent/FR2405056B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution

Abstract

The process measures the volume of the heart by attenuation with an indicator agent, which is injected in a quantity at constant flow rate during a time corresponding to two heartbeats at least. The concentration of the agent dependent on the time, expressed whole-number periods, is recorded in being the time necessary to reach maximum concentration. The period of the heart cycle is simultaneously recorded. The values measured are processed to obtain the heart volume.
FR7730094A 1977-10-06 1977-10-06 Heart volume measuring process - uses attenuation agent concentration and time necessary to reach max. concentration to provide calculation parameters Granted FR2405056A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7730094A FR2405056A1 (en) 1977-10-06 1977-10-06 Heart volume measuring process - uses attenuation agent concentration and time necessary to reach max. concentration to provide calculation parameters
DE19782843492 DE2843492A1 (en) 1977-10-06 1978-10-05 METHOD AND DEVICE FOR MEASURING HEART VOLUME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7730094A FR2405056A1 (en) 1977-10-06 1977-10-06 Heart volume measuring process - uses attenuation agent concentration and time necessary to reach max. concentration to provide calculation parameters

Publications (2)

Publication Number Publication Date
FR2405056A1 true FR2405056A1 (en) 1979-05-04
FR2405056B1 FR2405056B1 (en) 1984-05-11

Family

ID=9196175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7730094A Granted FR2405056A1 (en) 1977-10-06 1977-10-06 Heart volume measuring process - uses attenuation agent concentration and time necessary to reach max. concentration to provide calculation parameters

Country Status (2)

Country Link
DE (1) DE2843492A1 (en)
FR (1) FR2405056A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233245C1 (en) * 1982-09-08 1984-02-09 B. Braun Melsungen Ag, 3508 Melsungen Device for determining cardiac output

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304413A (en) * 1963-03-26 1967-02-14 Hewlett Packard Co Cardiac output computer
US3651318A (en) * 1970-01-26 1972-03-21 Jan A Czekajewski Cardiac output computer
US3677648A (en) * 1963-12-09 1972-07-18 Johannes Dorsch Method and apparatus for the measurement of dye dilution in blood
FR2291731A1 (en) * 1974-11-20 1976-06-18 Obermajer Wladimir METHOD AND DEVICE FOR MEASURING HEART CAPACITY
LU76585A1 (en) * 1977-01-17 1977-06-24

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304413A (en) * 1963-03-26 1967-02-14 Hewlett Packard Co Cardiac output computer
US3677648A (en) * 1963-12-09 1972-07-18 Johannes Dorsch Method and apparatus for the measurement of dye dilution in blood
US3651318A (en) * 1970-01-26 1972-03-21 Jan A Czekajewski Cardiac output computer
FR2291731A1 (en) * 1974-11-20 1976-06-18 Obermajer Wladimir METHOD AND DEVICE FOR MEASURING HEART CAPACITY
LU76585A1 (en) * 1977-01-17 1977-06-24

Also Published As

Publication number Publication date
DE2843492C2 (en) 1989-09-14
DE2843492A1 (en) 1979-04-19
FR2405056B1 (en) 1984-05-11

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ST Notification of lapse