Description of the Strength-Interval Relation with External Noninvasive Pacing

1990 ◽  
Vol 13 (12) ◽  
pp. 2031-2037 ◽  
Author(s):  
JERRY C. LUCK ◽  
BLAIR P. GRUBB ◽  
MICHAEL L. MARKEL
Keyword(s):  
Interval Relation

scholarly journals Cache-efficient sweeping-based interval joins for extended Allen relation predicates

2021 ◽  
Author(s):  
Danila Piatov ◽  
Sven Helmer ◽  
Anton Dignös ◽  
Fabio Persia
Keyword(s):  
Data Structure ◽  
Experimental Evaluation ◽  
State Of The Art ◽  
Temporal Databases ◽  
Access Method ◽  
Wide Range ◽  
Interval Relation ◽  
Cache Efficient ◽  
Join Algorithms ◽  
Better Than

AbstractWe develop a family of efficient plane-sweeping interval join algorithms for evaluating a wide range of interval predicates such as Allen’s relationships and parameterized relationships. Our technique is based on a framework, components of which can be flexibly combined in different manners to support the required interval relation. In temporal databases, our algorithms can exploit a well-known and flexible access method, the Timeline Index, thus expanding the set of operations it supports even further. Additionally, employing a compact data structure, the gapless hash map, we utilize the CPU cache efficiently. In an experimental evaluation, we show that our approach is several times faster and scales better than state-of-the-art techniques, while being much better suited for real-time event processing.

scholarly journals The 24 h blood pressure-R–R interval relation in ambulatory monitoring

2008 ◽  
Vol 139 (1-2) ◽  
pp. 68-77 ◽  
Author(s):  
Giorgio Recordati ◽  
Alberto Zanchetti
Keyword(s):  
Blood Pressure ◽  
Ambulatory Monitoring ◽  
Interval Relation

scholarly journals The human atrial strength-interval relation. Influence of cycle length and procainamide.

Circulation ◽  
1989 ◽  
Vol 79 (2) ◽  
pp. 271-280 ◽  
Author(s):  
A E Buxton ◽  
F E Marchlinski ◽  
J M Miller ◽  
D F Morrison ◽  
L H Frame ◽  
...  
Keyword(s):  
Cycle Length ◽  
Interval Relation

Strength-interval relation for ventricular functional refractoriness

1988 ◽  
Vol 61 (1) ◽  
pp. 88-92 ◽  
Author(s):  
L.Bing Liem ◽  
Donald M. Mason ◽  
Charles D. Swerdlow
Keyword(s):  
Interval Relation

Strength-interval relation in the human ventricle: Effect of procainamide

1980 ◽  
Vol 45 (4) ◽  
pp. 856-860 ◽  
Author(s):  
Joseph S. Camardo ◽  
Allan M. Greenspan ◽  
Leonard N. Horowitz ◽  
Scott R. Spielman ◽  
Mark E. Josephson
Keyword(s):  
Interval Relation

Degree Dominance Interval Relation-Based RSM in Intuitionistic Fuzzy Decision Systems

2011 ◽  
Vol 48-49 ◽  
pp. 357-361
Author(s):  
Bing Huang
Keyword(s):  
Knowledge Representation ◽  
Set Theory ◽  
Rough Set ◽  
Rough Set Theory ◽  
Decision Rules ◽  
Dominance Relation ◽  
Fuzzy Decision ◽  
Decision Systems ◽  
Intuitionistic Fuzzy ◽  
Interval Relation

By introducing a degree dominance relation to dominance interval intuitionistic fuzzy decision systems, we establish a degree dominance interval rough set model (RSM), which is mainly based on replacing the indiscernibility relation in classical rough set theory with the degree dominance interval relation. To simplify knowledge representation and extract some nontrivial simpler degree dominance interval intuitionistic fuzzy decision rules, we propose two attribute reductions of the degree dominance interval intuitionistic fuzzy decision systems that eliminate the redundant condition attributes that are not essential from the viewpoint of degree dominance interval intuitionistic fuzzy decision rules.

scholarly journals Electrical Transport Properties of R3Ag4Sn4 (R = Gd, Tb, Dy, Ho) Compounds

2018 ◽  
Vol 19 (4) ◽  
pp. 316-321
Author(s):  
I. Romaniv ◽  
B. Kuzhel ◽  
L. Romaka ◽  
V. Pavlyuk
Keyword(s):  
Electrical Resistivity ◽  
Transport Properties ◽  
Temperature Interval ◽  
Electrical Transport ◽  
Magnetic Ordering ◽  
Structure Type ◽  
Electrical Transport Properties ◽  
Interval Relation ◽  
Slope Change ◽  
Magnetic And Electric Properties

Electrical transport properties of the R3Ag4Sn4 (R = Gd, Tb, Dy, Ho) intermetallics crystallized in the orthorhombic Gd3Cu4Ge4 structure type (space group Immm) were studied in the temperature interval 11 – 300 K. Measurements of the temperature dependencies of electrical resistivity (r(T)) showed that all the studied compounds are characterized by metallic type of conductivity. The slope change of the resistivity at low temperature part of r(T) dependencies for Gd3Ag4Sn4, Tb3Ag4Sn4 and Dy3Ag4Sn4 compounds is connected with their magnetic ordering. Change of the resistivity caused by magnetic ordering was not observed for the Ho3Ag4Sn4 compound in the studied temperature interval. Relation between magnetic and electric properties of the investigated R3Ag4Sn4 compounds was analyzed.

Force-interval relation in normal and cardiomyopathic hamster atria

1991 ◽  
Vol 261 (5) ◽  
pp. H1597-H1602
Author(s):  
S. E. Howlett ◽  
J. Bobet ◽  
T. Gordon
Keyword(s):  
Steady State ◽  
Isometric Force ◽  
Contractile Force ◽  
Single Test ◽  
Interval Relation ◽  
Intracellular Compartments ◽  
Short Test ◽  
State Force ◽  
Single Exponential

The purpose of this study was to determine how cardiomyopathy affects the beat-to-beat regulation of contractile force in cardiac muscle. Isometric force produced by left atria from 80- to 85-day-old normal and cardiomyopathic (CM) hamsters was measured in vitro at 29 degrees C in 2.5 and 6.0 mM Ca2+. During steady-state stimulation at 1 Hz, single test stimuli were interpolated at varying test intervals (0.3-600 s). The force-interval curves were fitted with an equation using five parameters to define the curve and were compared under different conditions; the recovery of force after long rest intervals was fitted with a single exponential curve. Results showed that the force-interval curves were similar in normal and CM atria except that force was depressed at all intervals in 2.5 mM external Ca2+ concentration ([Ca2+]e) and that the parameter U(0), reflecting force produced at short test intervals, tended to be lower in CM muscles. At high [Ca2+]e (6.0 mM) the force-interval curves were similar, but recovery of steady-state force after long test intervals was much slower in CM atria (tau = 77.3 +/- 8.5 s, n = 11) than in normal atria (tau = 30.5 +/- 3.9 s, n = 11). Recovery was also slower at 2.5 mM [Ca2+]e. These findings suggest that, on a beat-to-beat basis, there is less Ca2+ available in intracellular compartments in the CM heart.

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