GB1363744A - Devices for use with heart-monitoring apparatus for rejecting spurious indications - Google Patents

Devices for use with heart-monitoring apparatus for rejecting spurious indications

Info

Publication number
GB1363744A
GB1363744A GB4357271A GB4357271A GB1363744A GB 1363744 A GB1363744 A GB 1363744A GB 4357271 A GB4357271 A GB 4357271A GB 4357271 A GB4357271 A GB 4357271A GB 1363744 A GB1363744 A GB 1363744A
Authority
GB
United Kingdom
Prior art keywords
threshold
signals
output
signal
squared
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.)
Expired
Application number
GB4357271A
Other languages
English (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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1363744A publication Critical patent/GB1363744A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/364—Detecting abnormal ECG interval, e.g. extrasystoles, ectopic heartbeats

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
GB4357271A 1970-09-19 1971-09-17 Devices for use with heart-monitoring apparatus for rejecting spurious indications Expired GB1363744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702046301 DE2046301A1 (de) 1970-09-19 1970-09-19 Herzüberwachungsgerät

Publications (1)

Publication Number Publication Date
GB1363744A true GB1363744A (en) 1974-08-14

Family

ID=5782859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4357271A Expired GB1363744A (en) 1970-09-19 1971-09-17 Devices for use with heart-monitoring apparatus for rejecting spurious indications

Country Status (4)

Country Link
CH (1) CH543875A (https=)
DE (1) DE2046301A1 (https=)
FR (1) FR2107585A5 (https=)
GB (1) GB1363744A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233519A (en) * 1989-06-30 1991-01-09 Standard Microsyst Smc TTL to CMOS buffer circuits

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233519A (en) * 1989-06-30 1991-01-09 Standard Microsyst Smc TTL to CMOS buffer circuits
GB2233519B (en) * 1989-06-30 1994-07-06 Standard Microsyst Smc A buffer circuit

Also Published As

Publication number Publication date
DE2046301A1 (de) 1972-04-20
CH543875A (de) 1973-11-15
FR2107585A5 (https=) 1972-05-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee