• 1
    Else, R.W. and Holmes, J.R. (1971) Pathological changes in atrial fibrillation in the horse. Equine Vet. J. 3, 56-64.
  • 2
    De Clercq, D., van Loon, G., Baert, K., Tavernier, R., Croubels, S., De Backer, P. and Deprez, P. (2006) Intravenous amiodarone treatment in horses with chronic atrial fibrillation. Vet. J. 172, 129-134.
  • 3
    De Clercq, D., van Loon, G., Baert, K., Tavernier, R., Croubels, S., De Backer, P. and Deprez, P. (2007) Effects of an adapted intravenous amiodarone treatment protocol in horses with atrial fibrillation. Equine Vet. J. 39, 344-349.
  • 4
    Blissitt, K.J. (1999) Diagnosis and treatment of atrial fibrillation. Equine Vet. Educ. 11, 11-19.
  • 5
    Deem, D.A. and Fregin, G.F. (1982) Atrial fibrillation in horses – a review of 106 clinical cases, with consideration of prevalence, clinical signs, and prognosis. J. Am. Vet. Med. Assoc. 180, 261-265.
  • 6
    Gehlen, H., Bubeck, K., Rohn, K. and Stadler, P. (2006) Pulmonary artery wedge pressure during treadmill exercise in Warmblood horses with atrial fibrillation. Res. Vet. Sci. 81, 134-139.
  • 7
    Deegen, E. and Buntenkötter, S. (1976) Behaviour of the heart rate of horses with auricular fibrillation during exercise and after treatment. Equine Vet. J. 8, 26-29.
  • 8
    Holmes, J.R., Darke, P.G.G. and Else, R.W. (1969) Atrial fibrillation in the horse. Equine Vet. J. 1, 212-222.
  • 9
    Maier-Bock, H. and Ehrlein, H.J. (1978) Heart rate during a defined exercise test in horses with heart and lung diseases. Equine Vet. J. 10, 235-242.
  • 10
    Verheyen, T., Decloedt, A., De Clercq, D., Deprez, P., Sys, S. and van Loon, G. (2010) Electrocardiography in horses – part 1: how to make a good recording. Vlaams Diergen. Tijds. 79, 331-336.
  • 11
    Birks, E.K., Durando, M.M. and Martin, B.B.J. (2004) Clinical exercise testing: evaluation of the poor performing athlete. In: Equine Sports Medicine and Surgery – Basic and Clinical Sciences of the Equine Athlete, Eds: K.W. Hinchcliff , A.J. Kaneps and R.J. Geor , Saunders, Edinburgh. pp 9-18.
  • 12
    Meijler, F.L., Kroneman, J., Vandertweel, I., Herbschleb, J.N., Heethaar, R.M. and Borst, C. (1984) Nonrandom ventricular rhythm in horses with atrial fibrillation and its significance for patients. J. Am. Coll. Cardiol. 4, 316-323.
  • 13
    Summerfield, N. and Estrada, A. (2005) Ladder diagrams for atrial flutter and atrial fibrillation. J. Vet. Cardiol. 7, 131-135.
  • 14
    Wallick, D.W., Stuesse, S.L. and Masuda, Y. (1986) Sympathetic and periodic vagal influences on antegrade and retrograde conduction through the canine atrioventricular node. Circulation 73, 830-836.
  • 15
    Buber, J., Glikson, M., Eldar, M. and Luria, D. (2011) Exercise heart rate acceleration patterns during atrial fibrillation and sinus rhythm. Ann. Noninvasive Electrocardiol. 16, 357-364.
  • 16
    Langendorf, R. and Pick, A. (1956) Concealed conduction – further evaluation of a fundamental aspect of propagation of the cardiac impulse. Circulation 13, 381-399.
  • 17
    Langendorf, R., Pick, A. and Katz, L.N. (1965) Ventricular response in atrial fibrillation – role of concealed conduction in the AV junction. Circulation 32, 69-75.
  • 18
    Gelzer, A.R.M., Moise, N.S., Vaidya, D., Wagner, K.A. and Jalife, J. (2000) Temporal organization of atrial activity and irregular ventricular rhythm during spontaneous atrial fibrillation: an in vivo study in the horse. J. Cardiovasc. Electrophysiol. 11, 773-784.
  • 19
    Falk, R.H. and Leavitt, J.I. (1991) Digoxin for atrial fibrillation – a drug whose time has gone? Ann. Intern. Med. 114, 573-575.
  • 20
    Bootsma, B.K., Hoelen, A.J., Strackee, J. and Meijler, F.L. (1970) Analysis of R-R intervals in patients with atrial fibrillation at rest and during exercise. Circulation 41, 783-794.
  • 21
    Mendez, C., Gruhzit, C.C. and Moe, G.K. (1956) Influence of cycle length upon refractory period of auricles, ventricles, and A-V node in the dog. Am. J. Physiol. 184, 287-295.
  • 22
    Wiener, I., Kunkes, S., Rubin, D., Kupersmith, J., Packer, M., Pitchon, R. and Schweitzer, P. (1981) Effects of sudden change in cycle length on human atrial, atrioventricular and ventricular refractory periods. Circulation 64, 245-248.
  • 23
    Tadros, R. and Billette, J. (2009) Rate-dependent AV nodal refractoriness: a new functional framework based on concurrent effects of basic and pretest cycle length. Am. J. Physiol. Heart Circ. Physiol. 297, H2136-H2143.
  • 24
    Denes, P., Wu, D., Dhingra, R., Pietras, R.J. and Rosen, K.M. (1974) Effects of cycle length on cardiac refractory periods in man. Circulation 49, 32-41.
  • 25
    Barbesgaard, L., Buhl, R. and Meldgaard, C. (2010) Prevalence of exercise-associated arrhythmias in normal performing dressage horses. Equine Vet. J. 42, 202-207.
  • 26
    Buhl, R., Meldgaard, C. and Barbesgaard, L. (2010) Cardiac arrhythmias in clinically healthy showjumping horses. Equine Vet. J. 42, 196-201.
  • 27
    Suyama, A.C., Sunagawa, K., Sugimachi, M., Anan, T., Egashira, K. and Takeshita, A. (1993) Differentiation between aberrant ventricular conduction and ventricular ectopy in atrial fibrillation using RR interval scattergram. Circulation 88, 2307-2314.
  • 28
    Marriott, H.J.L. and Sandler, I.A. (1966) Criteria, old and new, for differentiating between ectopic ventricular beats and aberrant ventricular conduction in the presence of atrial fibrillation. Prog. Cardiovasc. Dis. 9, 18-28.
  • 29
    Langendorf, R. (1951) Aberrant ventricular conduction. Am. Heart J. 41, 700-707.
  • 30
    Nagayoshi, H., Janota, T., Hnatkova, K., Camm, A.J. and Malik, M. (1997) Autonomic modulation of ventricular rate in atrial fibrillation. Am. J. Physiol. Heart Circ. Physiol. 272, H1643-H1649.
  • 31
    Borer, K.E. and Corley, K.T.T. (2006) Electrolyte disorders in horses with colic. Part 1: potassium and magnesium. Equine Vet. Educ. 18, 266-271.
  • 32
    Borer, K.E. and Corley, K.T.T. (2006) Electrolyte disorders in horses with colic. Part 2: calcium, sodium, chloride and phosphate. Equine Vet. Educ. 18, 320-325.
  • 33
    Zipes, D.P. (2008) Heart-brain interactions in cardiac arrhythmias: role of the autonomic nervous system. Cleve. Clin. J. Med. 75, S94.
  • 34
    Han, J., Dejalon, P.G. and Moe, G.K. (1964) Adrenergic effects on ventricualr vulnerability. Circ. Res. 14, 516-524.
  • 35
    Engel, T.R., Meister, S.G. and Frankl, W.S. (1978) R-on-T phenomenon – update and critical review. Ann. Intern. Med. 88, 221-225.
  • 36
    Lian, J., Muessig, D. and Lang, V. (2011) Risk assessment of R-on-T event based on modeled QT-RR relationship. Pacing Clin. Electrophysiol. 34, 700-708.
  • 37
    Lown, B. and Wolf, M. (1971) Approaches to sudden death from coronary heart disease. Circulation 44, 130-142.
  • 38
    Physick-Sheard, P.W. and McGurrin, M.K.J. (2010) Ventricular arrhythmias during race recovery in standardbred racehorses and associations with autonomic activity. J. Vet. Intern. Med. 24, 1158-1166.