1. A method of detecting a cardiac event in a medical device, comprising:
sensing cardiac signals from a plurality of electrodes;
sensing a plurality of beats in response to the sensed cardiac signals;
identifying each beat of the plurality of beats as one of a normal beat and a not normal beat;
determining at least one of whether a number of beats identified as a normal beat is greater than a normal beat threshold, whether an RR interval associated with the beats identified as being a normal beat is less than a threshold interval, and whether RR intervals associated with the beats identified as being normal beats are within an RR interval range; and
identifying the cardiac event as being one of shockable and not shockable in response to the determining.
2. The method of claim 1, wherein the plurality of electrodes form a first sensing vector and a second sensing vector, the method further comprising:
performing a gross morphology analysis of a signal sensed along the first sensing vector during a predetermined sensing window and a signal sensed along the second sensing vector during the predetermined sensing window; and
identifying the cardiac event as being one of shockable and not shockable in response to the performed gross morphology analysis.
3. The method of claim 2, further comprising determining whether to deliver a therapy to treat the cardiac event in response to both the identifying the cardiac event as being one of shockable and not shockable in response to the determining and the identifying the cardiac event as being one of shockable and not shockable in response to the performed gross morphology analysis.
4. The method of claim 1, wherein determining whether RR intervals associated with the beats identified as being normal beats are within an RR interval range comprises:
comparing a duration of a first RR interval of the RR intervals associated with the beats identified as being normal beats to durations of RR intervals of the RR intervals associated with the beats identified as being normal beats other than the first RR interval to generate interval differences;
determining whether the interval differences are less than a relative interval difference threshold; and
determining the RR intervals associated with the beats identified as being normal beats are within the RR interval range in response to all of the interval differences being less than the relative interval difference threshold.
5. The method of claim 4, wherein determining whether the interval differences are less than a relative interval difference threshold comprises determining whether the durations of RR intervals of the RR intervals associated with the beats identified as being normal beats other than the first RR interval are within one sixteenth of the duration of the first RR interval.
6. The method of claim 1, further comprising:
determining a distribution of the beats identified as being normal beats;
comparing the determined distribution of the beats identified as being normal beats to a distribution threshold; and
further identifying the cardiac event as being one of shockable and not shockable in response to the comparing.
7. The method of claim 1, further comprising:
sensing the cardiac signals over consecutive predetermined sensing windows, the consecutive predetermined sensing windows comprising a first sensing window and a second sensing window occurring subsequent to the first sensing window;
determining a distribution of the beats identified as normal beats occurring within the first sensing vector and the second sensing vector; and
further identifying the cardiac event as being one of shockable and not shockable in response to the determined distribution.
8. The method of claim 7, wherein determining a distribution of the beats identified as normal beats occurring within the first sensing vector and the second sensing vector comprises determining whether one or more of the beats identified as being normal beats occur within the second sensing window.
9. The method of claim 1, further comprising:
comparing a number of beats identified as being normal beats to a number identified as being not normal to a predetermined threshold; and
further identifying the cardiac event as being one of shockable and not shockable in response to the comparing.
10. The method of claim 9, wherein the predetermined threshold comprises a proportion of the plurality of beats.
11. A medical device for detecting a cardiac event, comprising:
a plurality of electrodes sensing cardiac signals having a plurality of beats; and
a processor configured to identify each beat of the plurality of beats as one of a normal beat and a not normal beat, determine at least one of whether a number of beats identified as a normal beat is greater than a normal beat threshold, whether an RR interval associated with the beats identified as being a normal beat is less than a threshold interval, and whether RR intervals associated with the beats identified as being normal beats are within an RR interval range, identifying the cardiac event as being one of shockable and not shockable in response to the determining.
12. The medical device of claim 11, wherein the plurality of electrodes form a first sensing vector and a second sensing vector, the processor further configured to perform a gross morphology analysis of a signal sensed along the first sensing vector during a predetermined sensing window and a signal sensed along the second sensing vector during the predetermined sensing window, and identify the cardiac event as being one of shockable and not shockable in response to the performed gross morphology analysis.
13. The medical device of claim 12, wherein the processor is further configured to determine whether to deliver a therapy to treat the cardiac event in response to both the identifying the cardiac event as being one of shockable and not shockable in response to the determining and the identifying the cardiac event as being one of shockable and not shockable in response to the performed gross morphology analysis.
14. The medical device of claim 11, wherein determining whether RR intervals associated with the beats identified as being normal beats are within an RR interval range comprises:
comparing a duration of a first RR interval of the RR intervals associated with the beats identified as being normal beats to durations of RR intervals of the RR intervals associated with the beats identified as being normal beats other than the first RR interval to generate interval differences;
determining whether the interval differences are less than a relative interval difference threshold; and
determining the RR intervals associated with the beats identified as being normal beats are within the RR interval range in response to all of the interval differences being less than the relative interval difference threshold.
15. The medical device of claim 14, wherein determining whether the interval differences are less than a relative interval difference threshold comprises determining whether the durations of RR intervals of the RR intervals associated with the beats identified as being normal beats other than the first RR interval are within one sixteenth of the duration of the first RR interval.
16. The medical device of claim 11, wherein the processor is further configured to determine a distribution of the beats identified as being normal beats, compare the determined distribution of the beats identified as being normal beats to a distribution threshold, and further identify the cardiac event as being one of shockable and not shockable in response to the comparing.
17. The medical device of claim 11, wherein the processor is further configured to sense the cardiac signals over consecutive predetermined sensing windows, the consecutive predetermined sensing windows comprising a first sensing window and a second sensing window occurring subsequent to the first sensing window, determine a distribution of the beats identified as normal beats occurring within the first sensing vector and the second sensing vector, and further identify the cardiac event as being one of shockable and not shockable in response to the determined distribution.
18. The medical device of claim 17, wherein determining a distribution of the beats identified as normal beats occurring within the first sensing vector and the second sensing vector comprises determining whether one or more of the beats identified as being normal beats occur within the second sensing window.
19. The medical device of claim 11, wherein the processor is further configured to compare a number of beats identified as being normal beats to a number identified as being not normal to a predetermined threshold, and further identify the cardiac event as being one of shockable and not shockable in response to the comparing.
20. The medical device of claim 19, wherein the predetermined threshold comprises a proportion of the plurality of beats.
21. A non-transitory, computer-readable storage medium storing instructions for causing a processor included in a medical device to perform a method for determining a cardiac event, the method comprising:
sensing cardiac signals from a plurality of electrodes;
sensing a plurality of beats in response to the sensed cardiac signals;
identifying each beat of the plurality of beats as one of a normal beat and a not normal beat;
determining at least one of whether a number of beats identified as a normal beat is greater than a normal beat threshold, whether an RR interval associated with the beats identified as being a normal beat is less than a threshold interval, and whether RR intervals associated with the beats identified as being normal beats are within an RR interval range; and
identifying the cardiac event as being one of shockable and not shockable in response to the determining.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Seed of inbred sweet corn line R373D, representative seed of said inbred sweet corn line having been deposited under ATCC Accession No: PTA-8631.
2. A maize plant, or parts thereof, produced by growing the seed of claim 1.
3. Pollen of the plant of claim 2.
4. An ovule of the plant of claim 2.
5. An ear of the plant of claim 2.
6. A maize plant, or parts thereof, having all the physiological and morphological characteristics of the plant according to claim 2.
7. A male sterile maize plant, or parts thereof, otherwise having all the physiological and morphological characteristics of the plant according to claim 2.
8. A maize plant, or parts thereof, having all the physiological and morphological characteristics of the plant according to claim 2, and further comprising one or more single gene transferred traits.
9. The maize plant according to claim 8, wherein said single gene transferred trait confers upon said maize plant tolerance to an herbicide.
10. The maize plant according to claim 8, wherein said single gene transferred trait comprises a transgene.
11. The maize plant according to claim 10, wherein said transgene comprises a gene conferring upon said maize plant tolerance to an herbicide.
12. The maize plant according to claim 11, wherein said herbicide is glyphosate, gluphosinate, a sulfonylurea or an imidazolinone herbicide, a hydroxyphenylpyruvate dioxygenase inhibitor or a protoporphyrinogen oxidase inhibitor.
13. The maize plant according to claim 10, wherein said transgene comprises a gene conferring upon said maize plant insect resistance, disease resistance or virus resistance.
14. The maize plant according to claim 13, wherein said gene conferring upon said maize plant insect resistance is a Bacillus thuringiensis Cry1Ab gene.
15. The maize plant according to claim 14, further comprising a bar gene.
16. The maize plant according to claim 14, wherein said Cry1Ab gene is introgressed into said maize plant from a maize line comprising a Bt-11 event or a 176 event.
17. A tissue culture of regenerable cells of the maize plant according to claim 2, wherein the tissue regenerates plants capable of expressing all the morphological and physiological characteristics of the plant according to claim 2.
18. The tissue culture according to claim 17, the regenerable cells being selected from the group consisting of embryos, meristems, pollen, leaves, anthers, roots, root tips, silk, flowers, kernels, ears, cobs, husks and stalks, and protoplasts or callus obtained therefrom.
19. A maize plant regenerated from the tissue culture of claim 17, capable of expressing all the morphological and physiological characteristics of inbred sweet corn line R373D, seed of said inbred line having been deposited under ATCC Accession No: PTA-8631.
20. A method for producing maize seed comprising crossing a first parent maize plant with a second parent maize plant and harvesting the resultant first generation maize seed, wherein said first or second parent maize plant is the maize plant of claim 2.
21. The method according to claim 20, wherein said first parent maize plant is different from said second parent maize plant, and wherein said resultant seed is a first generation (F1) hybrid maize seed.
22. A method for producing maize seed comprising crossing a first parent maize plant with a second parent maize plant and harvesting the resultant first generation maize seed, wherein said first or second parent maize plant is the maize plant of claim 6.
23. The method according to claim 22, wherein said first parent maize plant is different from said second parent maize plant, wherein said resultant seed is a first generation (F1) hybrid maize seed.
24. A method for producing maize seed comprising crossing a first parent maize plant with a second parent maize plant and harvesting the resultant first generation maize seed, wherein said first or second parent maize plant is the maize plant of claim 8.
25. The method according to claim 24, wherein said first parent maize plant is different from said second parent maize plant, wherein said resultant seed is a first generation (F1) hybrid maize seed.
26. A method for obtaining a maize inbred line comprising:
(a) planting a collection of seeds comprising seed of a hybrid, one of whose parents is the plant according to claim 2, or a maize plant having all the physiological and morphological characteristics of the plant according to claim 2, said collection also comprising seed of said inbred line;
(b) growing plants from said collection of seeds;
(c) identifying an inbred plant from said inbred line;
(d) selecting said inbred plant; and
(e) controlling pollination in a manner which preserves the homozygosity of said inbred plant.
27. The method according to claim 26, wherein said one parent has all the physiological and morphological characteristics of inbred sweet corn line R373D, seed of said line having been deposited under ATCC Accession No: PTA-8631, and further comprises one or more single gene transferred traits.
28. A method of producing a sweet corn ear comprising growing the plant according to claim 2 to produce an ear, and harvesting said ear.
29. The method according to claim 28, further comprising isolating a kernel from said ear.
30. The method according to claim 29, further comprising processing said kernel to obtain a sweet corn product.
31. The method according to claim 30, wherein said sweet corn product is a canned or a frozen product, or a fresh produce.
32. A method of producing a sweet com product comprising obtaining an ear of the plant according to claim 2, isolating a kernel from said ear, and processing said kernel to obtain a sweet corn product.
33. The method according to claim 32, wherein said sweet corn product is a canned or a frozen product, or a fresh produce.