Rate-dependent [K+]o, accumulation in canine right atria in vivo: Electrophysiological consequences

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 283, Issue 2 52-2, 2002, Pages

  Miyata, Akira ^a   Dowell, Joshua D ^a   Zipes, Douglas P ^a   Rubart, Michael ^a,b  

^a INDIANA UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b RILEY HOSPITAL FOR CHILDREN   (United States)

Author keywords

Atrium; Fibrillation; Potassium; Tachycardia

Indexed keywords

POTASSIUM ION;

ACTION POTENTIAL; ANIMAL EXPERIMENT; ARTICLE; CONTROLLED STUDY; DOG; ELECTRODE; ELECTROPHYSIOLOGY; HEART ATRIUM FIBRILLATION; HEART RIGHT ATRIUM; IN VIVO STUDY; MEMBRANE STEADY POTENTIAL; NONHUMAN; PATCH CLAMP; PRIORITY JOURNAL; TACHYCARDIA;

EID: 0036078396     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.00721.2001     Document Type: Article

References (34)

1. Intra- and extracellular potassium activities, acetylcholine and resting potential in guinea pig atria
2. max in guinea pig myocardium
3. + fluctuations in the extracellular spaces of cardiac muscle
4. + concentration on cable properties and excitability of sheep cardiac Purkinje fibers
5. Influence of interstimulus interval on myocardial potassium balance
6. Improved patch-clamp techniques for high-resolution current recording from cells and cell-free patches
7. Triggered activity in atrial fibres of canine coronary sinus: Role of extracellular potassium accumulation and depletion
8. +
9. Determinants of excitability in cardiac myocytes: Mechanistic investigation of memory effect
10. + ion-selective electrodes
11. Resting membrane potential, extracellular potassium activity, and intracellular sodium activity during acute global ischemia in isolated perfused guinea pig hearts
12. + fluctuations in canine Purkinje fibres
13. Potassium efflux in heart muscle during activity: Extracellular accumulation and its implications
14. Sinus node extracellular potassium transients following vagal stimulation
15. Rate-dependent changes in extracellular potassium in the rabbit atrium
16. Potassium in dog ventricular muscle: Kinetic studies of distribution and effects of varying frequency of contraction and potassium concentration of perfusate
17. Differing sympathetic and vagal effects on atrial fibrillation in dogs: Role of refractoriness heterogeneity
18. Action potential recorded with patch-clamp amplifiers: Are they genuine?
19. K,ADo in rabbit isolated AV nodal myocytes and on AV nodal conduction in guinea pig isolated heart
20. [Na] and [K] dependence of the Na/K pump current-voltage relationship in guinea pig ventricular myocytes
21. +] in a human atrial strand
22. The effect of ischemia and alterations of heart rate on myocardial potassium balance in man
23. Changes in left ventricular repolarization and ion channel currents following a transient rate increase superimposed on bradycardia in anesthetized dogs
24. Antiarrhythmic actions of intravenous ibutilide compared with procainamide during human atrial flutter and fibrillation
25. Surface: Volume relationship in cardiac myocytes studied with confocal microscopy and membrane capacitance measurements: Species-dependence and developmental effects
26. Differences in organization between acute and chronic atrial fibrillation in dogs
27. The effect of brief vagal stimulation on the isolated rabbit sinus node
28. Electrophysiological properties of the rabbit sinoatrial perinodal fibers
29. Frequency, conduction velocity and rate of depolarization in rabbit auricle
30. o accumulation and electrophysiological alterations during early myocardial ischemia
31. + current and phase 0 of the action potential in isolated cardiac myocytes
32. + loss, reduction in repolarization time, and tissue ATP levels during myocardial hypoxia and ischemia
33. Molecular mechanisms underlying ionic remodeling in a dog model of atrial fibrillation