Surgery – Truss – Pad
Patent
1984-09-13
1985-10-15
Kamm, William E.
Surgery
Truss
Pad
A61B 504
Patent
active
045467765
ABSTRACT:
A portable cardiac monitor analyzes the PQ and ST portions of an electrocardiogram waveform and establishes a "normal" or standard ST ratio deviation of the difference between the ST and PQ levels. When a subsequently measured ST ratio deviation exceeds the previously stored normal value, an alarm is indicated indicating a possible ischemic condition. The pulse rate may also be monitored to provide an alarm whenever the pulse rate rises above or falls below a predetermined value.
REFERENCES:
patent: 3524442 (1970-08-01), Horth
patent: 3822696 (1974-07-01), Ekstrom et al.
patent: 3858034 (1974-12-01), Anderson
patent: 3868567 (1975-02-01), Ekstrom
patent: 4083366 (1978-04-01), Gombrich et al.
Bellin Howard T.
Fellner Donald
Tchorbajian Nichan
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